This app lets me search a database of music and listen to songs with my cell phone. I call or text 617-575-9567, say the name of a song or band I'd like to listen to, and hang up. A few seconds later, I get a call playing the song I requested. I can also text in a friend's phone number and a song I want to send my friend, and a second later, my friend gets a call playing that song. It's like having a personal DJ.