shazam

Shazam

 7.0.0-160809
Free   
18

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   
4

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

soundhound

SoundHound

 6.9.3
Free   
2

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

trackid music recognition
Free   
13

An app sepcially made for music fans.