"Vox already makes it easy to add photos and videos to liven up your posts, but what about adding a song too? By using the new embed feature, you can add a song to a post or put a song widget in your sidebar to create a theme song for your blog. One service we've found pretty easy to use is Sonific's SongSpot. Just sign up, search for songs, and then click to create a free music widget that will stream the song of your choice from their catalog. They're still in beta and are adding to their catalog every day, so you're not going to find top 40 songs in their selections just yet. They do have music from some popular artists like Barenaked Ladies, but we're most impressed with all the genres of music that they have available...."