2. Shazam

On iTunes: itunes.apple.com
Don’t you hate when you hear a great song, but don’t know who sings it? With Shazam, you’ll never have that worry again. When a song you like starts to play, click on your Shazam app and it’ll tell you exactly what the song is, and will provide as much information about it as possible. If you’re a big enough fan, it’ll give you a link to buy the song. It’s a convenient way to learn about the songs you love.