diff --git a/analyzer/libretime_analyzer/config.py b/analyzer/libretime_analyzer/config.py
index d3d833c17..92db4b247 100644
--- a/analyzer/libretime_analyzer/config.py
+++ b/analyzer/libretime_analyzer/config.py
@@ -1,5 +1,6 @@
-from libretime_shared.config import BaseConfig, RabbitMQConfig
+from libretime_shared.config import BaseConfig, GeneralConfig, RabbitMQConfig
 
 
 class Config(BaseConfig):
+    general: GeneralConfig
     rabbitmq: RabbitMQConfig = RabbitMQConfig()
diff --git a/analyzer/libretime_analyzer/main.py b/analyzer/libretime_analyzer/main.py
index e33de9f0c..aeb3b23bb 100644
--- a/analyzer/libretime_analyzer/main.py
+++ b/analyzer/libretime_analyzer/main.py
@@ -41,6 +41,6 @@ def cli(
 
     # Start listening for RabbitMQ messages telling us about newly
     # uploaded files. This blocks until we receive a shutdown signal.
-    MessageListener(config.rabbitmq)
+    MessageListener(config)
 
     StatusReporter.stop_thread()
diff --git a/analyzer/libretime_analyzer/message_listener.py b/analyzer/libretime_analyzer/message_listener.py
index 421c64eab..b95547b84 100644
--- a/analyzer/libretime_analyzer/message_listener.py
+++ b/analyzer/libretime_analyzer/message_listener.py
@@ -4,9 +4,9 @@ import time
 from queue import Queue
 
 import pika
-from libretime_shared.config import RabbitMQConfig
 from loguru import logger
 
+from .config import Config
 from .pipeline import Pipeline, PipelineStatus
 from .status_reporter import StatusReporter
 
@@ -17,7 +17,7 @@ QUEUE = "airtime-uploads"
 
 
 class MessageListener:
-    def __init__(self, config: RabbitMQConfig):
+    def __init__(self, config: Config):
         """
         Start listening for file upload event messages from RabbitMQ.
         """
@@ -54,12 +54,12 @@ class MessageListener:
         """Connect to the RabbitMQ server and start listening for messages."""
         self._connection = pika.BlockingConnection(
             pika.ConnectionParameters(
-                host=self.config.host,
-                port=self.config.port,
-                virtual_host=self.config.vhost,
+                host=self.config.rabbitmq.host,
+                port=self.config.rabbitmq.port,
+                virtual_host=self.config.rabbitmq.vhost,
                 credentials=pika.credentials.PlainCredentials(
-                    self.config.user,
-                    self.config.password,
+                    self.config.rabbitmq.user,
+                    self.config.rabbitmq.password,
                 ),
             )
         )
@@ -104,9 +104,7 @@ class MessageListener:
         # final_file_path = ""
         import_directory = ""
         original_filename = ""
-        callback_url = ""
-        api_key = ""
-        file_prefix = ""
+        file_id = ""
 
         try:
             try:
@@ -114,26 +112,23 @@ class MessageListener:
             except (UnicodeDecodeError, AttributeError):
                 pass
             msg_dict = json.loads(body)
-            api_key = msg_dict["api_key"]
-            callback_url = msg_dict["callback_url"]
 
+            file_id = msg_dict["file_id"]
             audio_file_path = msg_dict["tmp_file_path"]
-            import_directory = msg_dict["import_directory"]
             original_filename = msg_dict["original_filename"]
-            file_prefix = msg_dict["file_prefix"]
-            storage_backend = msg_dict["storage_backend"]
+            import_directory = msg_dict["import_directory"]
 
-            audio_metadata = MessageListener.spawn_analyzer_process(
+            metadata = MessageListener.spawn_analyzer_process(
                 audio_file_path,
                 import_directory,
                 original_filename,
-                storage_backend,
-                file_prefix,
-            )
-            StatusReporter.report_success_to_callback_url(
-                callback_url, api_key, audio_metadata
             )
 
+            callback_url = f"{self.config.general.public_url}/rest/media/{file_id}"
+            callback_api_key = self.config.general.api_key
+
+            StatusReporter.report_success(callback_url, callback_api_key, metadata)
+
         except KeyError:
             logger.exception("A mandatory field was missing from the message.")
             channel.basic_nack(
@@ -150,10 +145,10 @@ class MessageListener:
                 requeue=False,
             )
 
-            if callback_url:
-                StatusReporter.report_failure_to_callback_url(
+            if file_id:
+                StatusReporter.report_failure(
                     callback_url,
-                    api_key,
+                    callback_api_key,
                     import_status=2,
                     reason="An error occurred while importing this file",
                 )
@@ -166,8 +161,6 @@ class MessageListener:
         audio_file_path,
         import_directory,
         original_filename,
-        storage_backend,
-        file_prefix,
     ):
         metadata = {}
 
@@ -178,8 +171,6 @@ class MessageListener:
                 audio_file_path,
                 import_directory,
                 original_filename,
-                storage_backend,
-                file_prefix,
             )
             metadata = queue.get()
         except Exception as exception:
diff --git a/analyzer/libretime_analyzer/pipeline/pipeline.py b/analyzer/libretime_analyzer/pipeline/pipeline.py
index 438ab99ff..7e6e85d52 100644
--- a/analyzer/libretime_analyzer/pipeline/pipeline.py
+++ b/analyzer/libretime_analyzer/pipeline/pipeline.py
@@ -38,8 +38,6 @@ class Pipeline:
         audio_file_path,
         import_directory,
         original_filename,
-        storage_backend,
-        file_prefix,
     ):
         """Analyze and import an audio file, and put all extracted metadata into queue.
 
@@ -53,8 +51,6 @@ class Pipeline:
                                preserve. The file at audio_file_path typically has a
                                temporary randomly generated name, which is why we want
                                to know what the original name was.
-            storage_backend: String indicating the storage backend (amazon_s3 or file)
-            file_prefix:
         """
         try:
             if not isinstance(queue, Queue):
@@ -77,25 +73,20 @@ class Pipeline:
                     + type(original_filename).__name__
                     + " instead."
                 )
-            if not isinstance(file_prefix, str):
-                raise TypeError(
-                    "file_prefix must be unicode. Was of type "
-                    + type(file_prefix).__name__
-                    + " instead."
-                )
 
             # Analyze the audio file we were told to analyze:
             # First, we extract the ID3 tags and other metadata:
             metadata = {}
-            metadata["file_prefix"] = file_prefix
-
             metadata = analyze_metadata(audio_file_path, metadata)
             metadata = analyze_cuepoint(audio_file_path, metadata)
             metadata = analyze_replaygain(audio_file_path, metadata)
             metadata = analyze_playability(audio_file_path, metadata)
 
             metadata = organise_file(
-                audio_file_path, import_directory, original_filename, metadata
+                audio_file_path,
+                import_directory,
+                original_filename,
+                metadata,
             )
 
             metadata["import_status"] = PipelineStatus.succeed
diff --git a/analyzer/libretime_analyzer/status_reporter.py b/analyzer/libretime_analyzer/status_reporter.py
index e1fc281e3..f8638671d 100644
--- a/analyzer/libretime_analyzer/status_reporter.py
+++ b/analyzer/libretime_analyzer/status_reporter.py
@@ -12,11 +12,11 @@ from loguru import logger
 
 
 class PicklableHttpRequest:
-    def __init__(self, method, url, data, api_key):
+    def __init__(self, method, url, api_key, data):
         self.method = method
         self.url = url
-        self.data = data
         self.api_key = api_key
+        self.data = data
 
     def create_request(self):
         return requests.Request(
@@ -194,30 +194,30 @@ class StatusReporter:
         StatusReporter._ipc_queue.put(request)
 
     @classmethod
-    def report_success_to_callback_url(
+    def report_success(
         self,
-        callback_url,
-        api_key,
-        audio_metadata,
+        callback_url: str,
+        callback_api_key: str,
+        metadata: dict,
     ):
         """Report the extracted metadata and status of the successfully imported file
         to the callback URL (which should be the Airtime File Upload API)
         """
-        put_payload = json.dumps(audio_metadata)
+        put_payload = json.dumps(metadata)
         StatusReporter._send_http_request(
             PicklableHttpRequest(
                 method="PUT",
                 url=callback_url,
+                api_key=callback_api_key,
                 data=put_payload,
-                api_key=api_key,
             )
         )
 
     @classmethod
-    def report_failure_to_callback_url(
+    def report_failure(
         self,
         callback_url,
-        api_key,
+        callback_api_key,
         import_status,
         reason,
     ):
@@ -228,7 +228,7 @@ class StatusReporter:
             )
 
         logger.debug("Reporting import failure to Airtime REST API...")
-        audio_metadata = dict()
+        audio_metadata = {}
         audio_metadata["import_status"] = import_status
         audio_metadata["comment"] = reason  # hack attack
         put_payload = json.dumps(audio_metadata)
@@ -238,7 +238,7 @@ class StatusReporter:
             PicklableHttpRequest(
                 method="PUT",
                 url=callback_url,
+                api_key=callback_api_key,
                 data=put_payload,
-                api_key=api_key,
             )
         )
diff --git a/analyzer/tests/pipeline/pipeline_test.py b/analyzer/tests/pipeline/pipeline_test.py
index ee33d4130..6c5fecbbd 100644
--- a/analyzer/tests/pipeline/pipeline_test.py
+++ b/analyzer/tests/pipeline/pipeline_test.py
@@ -16,8 +16,6 @@ def test_run_analysis(src_dir: Path, dest_dir: Path):
         str(src_dir / AUDIO_FILENAME),
         str(dest_dir),
         AUDIO_FILENAME,
-        "file",
-        "",
     )
     metadata = queue.get()
 
@@ -30,17 +28,3 @@ def test_run_analysis(src_dir: Path, dest_dir: Path):
     assert metadata["length_seconds"] == pytest.approx(15.0, abs=0.1)
     assert metadata["length"] == str(timedelta(seconds=metadata["length_seconds"]))
     assert (dest_dir / AUDIO_IMPORT_DEST).exists()
-
-
-@pytest.mark.parametrize(
-    "params,exception",
-    [
-        ((Queue(), "", "", ""), TypeError),
-        ((Queue(), "", "", ""), TypeError),
-        ((Queue(), "", "", ""), TypeError),
-        ((Queue(), "", "", ""), TypeError),
-    ],
-)
-def test_run_analysis_wrong_params(params, exception):
-    with pytest.raises(exception):
-        Pipeline.run_analysis(*params)
diff --git a/legacy/application/models/RabbitMq.php b/legacy/application/models/RabbitMq.php
index ce17c01a5..881fb2f14 100644
--- a/legacy/application/models/RabbitMq.php
+++ b/legacy/application/models/RabbitMq.php
@@ -92,10 +92,7 @@ class Application_Model_RabbitMq
         $tmpFilePath,
         $importedStorageDirectory,
         $originalFilename,
-        $callbackUrl,
-        $apiKey,
-        $storageBackend,
-        $filePrefix
+        $fileId
     ) {
         $config = Config::getConfig();
 
@@ -111,19 +108,11 @@ class Application_Model_RabbitMq
         $exchangeType = 'topic';
         $queue = 'airtime-uploads';
         $autoDeleteExchange = false;
+
+        $data['file_id'] = $fileId;
         $data['tmp_file_path'] = $tmpFilePath;
-        $data['storage_backend'] = $storageBackend;
         $data['import_directory'] = $importedStorageDirectory;
         $data['original_filename'] = $originalFilename;
-        $data['callback_url'] = $callbackUrl;
-        $data['api_key'] = $apiKey;
-
-        // We add a prefix to the resource name so files are not all placed
-        // under the root folder. We do this in case we need to restore a
-        // customer's file/s; File restoration is done via the S3 Browser
-        // client. The client will hang if there are too many files under the
-        // same folder.
-        $data['file_prefix'] = $filePrefix;
 
         $jsonData = json_encode($data);
         // self::sendMessage($exchange, 'topic', false, $jsonData, 'airtime-uploads');
diff --git a/legacy/application/models/airtime/CcFiles.php b/legacy/application/models/airtime/CcFiles.php
index a66ca1622..f59f29fbf 100644
--- a/legacy/application/models/airtime/CcFiles.php
+++ b/legacy/application/models/airtime/CcFiles.php
@@ -168,10 +168,8 @@ class CcFiles extends BaseCcFiles
             $file->setDbHidden(true);
             $file->save();
 
-            $callbackUrl = Config::getPublicUrl() . 'rest/media/' . $file->getPrimaryKey();
-
             Application_Service_MediaService::importFileToLibrary(
-                $callbackUrl,
+                $file->getPrimaryKey(),
                 $filePath,
                 $originalFilename,
                 self::getOwnerId(),
diff --git a/legacy/application/services/MediaService.php b/legacy/application/services/MediaService.php
index 3dc58b121..52604ab81 100644
--- a/legacy/application/services/MediaService.php
+++ b/legacy/application/services/MediaService.php
@@ -13,7 +13,7 @@ class Application_Service_MediaService
     /** Move (or copy) a file to the stor/organize directory and send it off to the
      * analyzer to be processed.
      *
-     * @param $callbackUrl
+     * @param $fileId
      * @param $filePath string Path to the local file to import to the library
      * @param $originalFilename string The original filename, if you want it to be preserved after import
      * @param $ownerId string The ID of the user that will own the file inside Airtime
@@ -23,11 +23,8 @@ class Application_Service_MediaService
      *
      * @return Ambigous
      */
-    public static function importFileToLibrary($callbackUrl, $filePath, $originalFilename, $ownerId, $copyFile)
+    public static function importFileToLibrary($fileId, $filePath, $originalFilename, $ownerId, $copyFile)
     {
-        $CC_CONFIG = Config::getConfig();
-        $apiKey = $CC_CONFIG['apiKey'][0];
-
         $importedStorageDirectory = Config::getStoragePath() . '/imported/' . $ownerId;
 
         // Copy the temporary file over to the "organize" folder so that it's off our webserver
@@ -40,10 +37,7 @@ class Application_Service_MediaService
             $newTempFilePath,
             $importedStorageDirectory,
             basename($originalFilename),
-            $callbackUrl,
-            $apiKey,
-            '',
-            '',
+            $fileId,
         );
 
         return $newTempFilePath;