diff --git a/src/wp-admin/includes/media.php b/src/wp-admin/includes/media.php
index 93eceeca3a..f44f01559f 100644
--- a/src/wp-admin/includes/media.php
+++ b/src/wp-admin/includes/media.php
@@ -3340,7 +3340,7 @@ function wp_read_video_metadata( $file ) {
 }
 
 /**
- * Retrieve metadata from a audio file's ID3 tags
+ * Retrieve metadata from an audio file's ID3 tags.
  *
  * @since 3.6.0
  *
@@ -3384,6 +3384,14 @@ function wp_read_audio_metadata( $file ) {
 		$metadata['length_formatted'] = $data['playtime_string'];
 	}
 
+	if ( empty( $metadata['created_timestamp'] ) ) {
+		$created_timestamp = wp_get_media_creation_timestamp( $data );
+
+		if ( false !==  $created_timestamp ) {
+			$metadata['created_timestamp'] = $created_timestamp;
+		}
+	}
+
 	wp_add_id3_tag_data( $metadata, $data );
 
 	return $metadata;
diff --git a/tests/phpunit/tests/media.php b/tests/phpunit/tests/media.php
index eea6f24a90..d9c34e5b9d 100644
--- a/tests/phpunit/tests/media.php
+++ b/tests/phpunit/tests/media.php
@@ -2343,6 +2343,21 @@ EOF;
 		$this->assertEquals( 1265680539, wp_get_media_creation_timestamp( $metadata ) );
 	}
 
+	/**
+	 * Test created timestamp is properly read from an MP4 file.
+	 *
+	 * This MP4 video file has an AAC audio track, so it can be used to test
+	 *`wp_read_audio_metadata()`.
+	 *
+	 * @ticket 42017
+	 */
+	function test_wp_read_audio_metadata_adds_creation_date_with_mp4() {
+		$video    = DIR_TESTDATA . '/uploads/small-video.mp4';
+		$metadata = wp_read_audio_metadata( $video );
+
+		$this->assertEquals( 1269120551, $metadata['created_timestamp'] );
+	}
+
 	/**
 	 * @ticket 35218
 	 */