shazam

Shazam

 7.0.0-160809
Free   
39

Find, listen to and buy every song you like even if you don't know nothing about its author or title

sound search for google play
Free   
10

Recognize the song that you are listening and it shows it to you in Google Play

soundhound

SoundHound

 6.9.3
Free   
3

Hum a song and this app will tell you the title and the author of the it!

trackid music recognition
Free   
14

An app sepcially made for music fans.