diff --git a/WordPress/src/main/java/org/wordpress/android/ui/posts/PostUtils.java b/WordPress/src/main/java/org/wordpress/android/ui/posts/PostUtils.java
index 7e2172df94a5..65922b791961 100644
--- a/WordPress/src/main/java/org/wordpress/android/ui/posts/PostUtils.java
+++ b/WordPress/src/main/java/org/wordpress/android/ui/posts/PostUtils.java
@@ -444,8 +444,8 @@ public static String replaceMediaFileWithUrlInGutenbergPost(@NonNull String post
     public static boolean isMediaInGutenbergPostBody(@NonNull String postContent,
                                             String localMediaId) {
         List<String> patterns = new ArrayList<>();
-        // Regex for Image, Video, and File blocks
-        patterns.add("<!-- wp:(?:image|video|file){1} \\{[^\\}]*\"id\":%s([^\\d\\}][^\\}]*)*\\} -->");
+        // Regex for Image, Video, Audio and File blocks
+        patterns.add("<!-- wp:(?:image|video|audio|file){1} \\{[^\\}]*\"id\":%s([^\\d\\}][^\\}]*)*\\} -->");
         // Regex for Media&Text block
         patterns.add("<!-- wp:media-text \\{[^\\}]*\"mediaId\":%s([^\\d\\}][^\\}]*)*\\} -->");
         // Regex for Gallery block
diff --git a/WordPress/src/main/java/org/wordpress/android/ui/posts/mediauploadcompletionprocessors/AudioBlockProcessor.kt b/WordPress/src/main/java/org/wordpress/android/ui/posts/mediauploadcompletionprocessors/AudioBlockProcessor.kt
new file mode 100644
index 000000000000..679f3a92f939
--- /dev/null
+++ b/WordPress/src/main/java/org/wordpress/android/ui/posts/mediauploadcompletionprocessors/AudioBlockProcessor.kt
@@ -0,0 +1,39 @@
+package org.wordpress.android.ui.posts.mediauploadcompletionprocessors
+
+import com.google.gson.JsonObject
+import org.jsoup.nodes.Document
+import org.wordpress.android.util.helpers.MediaFile
+
+class AudioBlockProcessor(localId: String?, mediaFile: MediaFile?) : BlockProcessor(localId, mediaFile) {
+    override fun processBlockContentDocument(document: Document?): Boolean {
+        val audioElements = document?.select(AUDIO_TAG)
+
+        audioElements?.let { elements ->
+            for (element in elements) {
+                // replaces the src attribute's local url with the remote counterpart.
+                element.attr(SRC_ATTRIBUTE, mRemoteUrl)
+            }
+            return true
+        }
+        return false
+    }
+
+    override fun processBlockJsonAttributes(jsonAttributes: JsonObject?): Boolean {
+        val id = jsonAttributes?.get(ID_ATTRIBUTE)
+
+        return if (id != null && !id.isJsonNull && id.asString == mLocalId) {
+            jsonAttributes.apply {
+                addProperty(ID_ATTRIBUTE, Integer.parseInt(mRemoteId))
+            }
+            true
+        } else {
+            false
+        }
+    }
+
+    companion object {
+        const val AUDIO_TAG = "audio"
+        const val SRC_ATTRIBUTE = "src"
+        const val ID_ATTRIBUTE = "id"
+    }
+}
diff --git a/WordPress/src/main/java/org/wordpress/android/ui/posts/mediauploadcompletionprocessors/BlockProcessorFactory.java b/WordPress/src/main/java/org/wordpress/android/ui/posts/mediauploadcompletionprocessors/BlockProcessorFactory.java
index 20a93f520d54..4258b5a3ee48 100644
--- a/WordPress/src/main/java/org/wordpress/android/ui/posts/mediauploadcompletionprocessors/BlockProcessorFactory.java
+++ b/WordPress/src/main/java/org/wordpress/android/ui/posts/mediauploadcompletionprocessors/BlockProcessorFactory.java
@@ -5,6 +5,7 @@
 import java.util.HashMap;
 import java.util.Map;
 
+import static org.wordpress.android.ui.posts.mediauploadcompletionprocessors.MediaBlockType.AUDIO;
 import static org.wordpress.android.ui.posts.mediauploadcompletionprocessors.MediaBlockType.COVER;
 import static org.wordpress.android.ui.posts.mediauploadcompletionprocessors.MediaBlockType.FILE;
 import static org.wordpress.android.ui.posts.mediauploadcompletionprocessors.MediaBlockType.GALLERY;
@@ -39,6 +40,7 @@ BlockProcessorFactory init(String localId, MediaFile mediaFile, String siteUrl)
         mMediaBlockTypeBlockProcessorMap.put(COVER, new CoverBlockProcessor(localId, mediaFile,
                 mMediaUploadCompletionProcessor));
         mMediaBlockTypeBlockProcessorMap.put(FILE, new FileBlockProcessor(localId, mediaFile));
+        mMediaBlockTypeBlockProcessorMap.put(AUDIO, new AudioBlockProcessor(localId, mediaFile));
 
         return this;
     }
diff --git a/WordPress/src/main/java/org/wordpress/android/ui/posts/mediauploadcompletionprocessors/MediaBlockType.java b/WordPress/src/main/java/org/wordpress/android/ui/posts/mediauploadcompletionprocessors/MediaBlockType.java
index 2ca21dd09cb1..e5eefff16d05 100644
--- a/WordPress/src/main/java/org/wordpress/android/ui/posts/mediauploadcompletionprocessors/MediaBlockType.java
+++ b/WordPress/src/main/java/org/wordpress/android/ui/posts/mediauploadcompletionprocessors/MediaBlockType.java
@@ -16,7 +16,8 @@ enum MediaBlockType {
     MEDIA_TEXT("media-text"),
     GALLERY("gallery"),
     COVER("cover"),
-    FILE("file");
+    FILE("file"),
+    AUDIO("audio");
 
     private static final Map<String, MediaBlockType> MAP = new HashMap<>();
     private static final String MATCHING_GROUP;
diff --git a/WordPress/src/test/java/org/wordpress/android/ui/posts/PostUtilsUnitTest.kt b/WordPress/src/test/java/org/wordpress/android/ui/posts/PostUtilsUnitTest.kt
index a8eb6b557b46..63670e401cea 100644
--- a/WordPress/src/test/java/org/wordpress/android/ui/posts/PostUtilsUnitTest.kt
+++ b/WordPress/src/test/java/org/wordpress/android/ui/posts/PostUtilsUnitTest.kt
@@ -130,6 +130,13 @@ class PostUtilsUnitTest {
         assertThat(PostUtils.isMediaInGutenbergPostBody(postContent, mediaId)).isTrue()
     }
 
+    @Test
+    fun `isMediaInGutenberg returns true when an Audio Block is found in the post content`() {
+        val mediaId = "999"
+        val postContent = "<!-- wp:audio {\"id\":$mediaId} --> ...... <!-- /wp:audio -->"
+        assertThat(PostUtils.isMediaInGutenbergPostBody(postContent, mediaId)).isTrue()
+    }
+
     @Test
     fun `isMediaInGutenberg returns false when an imageBlock with provided id is NOT found in the post content`() {
         val imgId = "123"
@@ -158,6 +165,13 @@ class PostUtilsUnitTest {
         assertThat(PostUtils.isMediaInGutenbergPostBody(postContent, "999")).isFalse()
     }
 
+    @Test
+    fun `isMediaInGutenberg returns false when an Audio Block with provided id is NOT found in the post content`() {
+        val mediaId = "123"
+        val postContent = "<!-- wp:audio {\"id\":$mediaId} --> ...... <!-- /wp:audio -->"
+        assertThat(PostUtils.isMediaInGutenbergPostBody(postContent, "999")).isFalse()
+    }
+
     @Test
     fun `isMediaInGutenberg returns false for an imageBlock when only part of the id matches`() {
         val imgId = "12345"
@@ -186,6 +200,13 @@ class PostUtilsUnitTest {
         assertThat(PostUtils.isMediaInGutenbergPostBody(postContent, "123")).isFalse()
     }
 
+    @Test
+    fun `isMediaInGutenberg returns false for an Audio Block when only part of the id matches`() {
+        val mediaId = "12345"
+        val postContent = "<!-- wp:audio {\"id\":$mediaId} --> ...... <!-- /wp:audio -->"
+        assertThat(PostUtils.isMediaInGutenbergPostBody(postContent, "123")).isFalse()
+    }
+
     @Test
     fun `isMediaInGutenberg returns false when a galleryBlock with provided id is NOT found in the post content`() {
         val imgId = "123"
diff --git a/WordPress/src/test/java/org/wordpress/android/ui/posts/mediauploadcompletionprocessors/AudioBlockProcessorTest.kt b/WordPress/src/test/java/org/wordpress/android/ui/posts/mediauploadcompletionprocessors/AudioBlockProcessorTest.kt
new file mode 100644
index 000000000000..b6c4aa232205
--- /dev/null
+++ b/WordPress/src/test/java/org/wordpress/android/ui/posts/mediauploadcompletionprocessors/AudioBlockProcessorTest.kt
@@ -0,0 +1,34 @@
+package org.wordpress.android.ui.posts.mediauploadcompletionprocessors
+
+import com.nhaarman.mockitokotlin2.mock
+import com.nhaarman.mockitokotlin2.whenever
+import org.assertj.core.api.Assertions
+import org.junit.Before
+import org.junit.Test
+import org.wordpress.android.util.helpers.MediaFile
+
+class AudioBlockProcessorTest {
+    private val mediaFile: MediaFile = mock()
+    private lateinit var processor: AudioBlockProcessor
+
+    @Before
+    fun before() {
+        whenever(mediaFile.mediaId).thenReturn(TestContent.remoteMediaId)
+        whenever(mediaFile.fileURL).thenReturn(TestContent.remoteAudioUrl)
+        processor = AudioBlockProcessor(TestContent.localMediaId, mediaFile)
+    }
+
+    @Test
+    fun `processBlock replaces id and src in matching block`() {
+        val processedBlock = processor.processBlock(TestContent.oldAudioBlock)
+        Assertions.assertThat(processedBlock).isEqualTo(TestContent.newAudioBlock)
+    }
+
+    @Test
+    fun `processBlock leaves non-matching block unchanged`() {
+        val nonMatchingId = "123"
+        val processor = AudioBlockProcessor(nonMatchingId, mediaFile)
+        val processedBlock = processor.processBlock(TestContent.oldFileBlock)
+        Assertions.assertThat(processedBlock).isEqualTo(TestContent.oldFileBlock)
+    }
+}
diff --git a/WordPress/src/test/java/org/wordpress/android/ui/posts/mediauploadcompletionprocessors/TestContent.kt b/WordPress/src/test/java/org/wordpress/android/ui/posts/mediauploadcompletionprocessors/TestContent.kt
index a9c175d89c50..54f321ce8a82 100644
--- a/WordPress/src/test/java/org/wordpress/android/ui/posts/mediauploadcompletionprocessors/TestContent.kt
+++ b/WordPress/src/test/java/org/wordpress/android/ui/posts/mediauploadcompletionprocessors/TestContent.kt
@@ -6,8 +6,10 @@ object TestContent {
     const val siteUrl = "https://wordpress.org"
     const val localImageUrl = "file://Screenshot-1-1.png"
     const val localImageUrl2 = "file://Screenshot-1-2.png"
+    const val localAudioUrl = "file://test-song.mp3"
     const val remoteImageUrl = "https://onetwoonetwothisisjustatesthome.files.wordpress.com/2019/11/pexels-photo-1671668.jpg"
     const val remoteImageUrl2 = "https://onetwoonetwothisisjustatesthome.files.wordpress.com/2019/12/img_20191202_094944-19.jpg"
+    const val remoteAudioUrl = "https://onetwoonetwothisisjustatesthome.files.wordpress.com/2020/11/test-song.mp3"
     private const val remoteImageUrlBlogLink = "http://onetwoonetwothisisjustatest.home.blog/pexels-photo-1671668/"
     private const val remoteImageUrlWithSize = "https://onetwoonetwothisisjustatesthome.files.wordpress.com/2019/11/pexels-photo-1671668.jpg?w=1024"
     private const val remoteImageUrl2BlogLink = "http://onetwoonetwothisisjustatest.home.blog/?attachment_id=369"
@@ -571,6 +573,13 @@ object TestContent {
 <div class="wp-block-file"><a href="$remoteImageUrl">Test image</a><a href="$remoteImageUrl" class="wp-block-file__button" download>Download</a></div>
 <!-- /wp:file -->
     """
+    const val oldAudioBlock = """<!-- wp:audio {"id":${localMediaId}} -->
+<figure class="wp-block-audio"><audio controls src="$localAudioUrl"></audio></figure>
+<!-- /wp:audio -->"""
+
+    const val newAudioBlock = """<!-- wp:audio {"id":${remoteMediaId}} -->
+<figure class="wp-block-audio"><audio controls src="$remoteAudioUrl"></audio></figure>
+<!-- /wp:audio -->"""
 
     const val oldPostImage = paragraphBlock + oldImageBlock + newVideoBlock + newMediaTextBlock + newGalleryBlock
     const val newPostImage = paragraphBlock + newImageBlock + newVideoBlock + newMediaTextBlock + newGalleryBlock