You can embed Soundcloud to start playing automatically on your page.
It can be a bit annoying. But if you specifically want music to accompany certain images and content, then this is one way to achieve that effect.
You can also embed it so that the visitor has to press play:
The ‘Share’ button below the song will open up the following dialogue interface:
Choose ‘Play automatically’, if that is what you want. Then copy the WordPress Code:
The trick is to paste the code into the ‘Text’ view of your page/post whilst editing:
You may need to Publish the post/page before you can see how it has worked