You can use an audio block to embed a piece of music, podcast, or other sound file into your page or post.
To add an Audio Block , click on the Inserter ⊕. Alternatively, you can type
/audio in a new block and press enter.
Adding audio files
When you add an audio block, you get three options: Upload, Media Library, and Insert from URL.
Upload will allow you to upload a new audio file from your computer. Media Library lets you select a file that’s already uploaded to your site’s Media Library. Insert from URL lets you input a URL where the file has already been uploaded, on WordPress.com or elsewhere on the web.
Embed Blocks for specific sources of audio and video material
WordPress has developed Embed Blocks for some sources of audio and video material. If you”re using content from these sources then it may be easy to click on an Embed Block.
Clicking on the Inserter ⊕. at the top left of the main toolbar will take you to these embed blocks