A free program for Android, by indianapt.

Tubidy – Mp3 Music app is a great way to discover and download free music. You can find tons of high-quality mp3s. Just search for your favorite songs and download them instantly. There is no need for you to register. All you have to do is search and download. It is that simple. 

The app is free to download and use. There are no hidden fees or charges. You will not be required to pay a penny. It is completely free to use. It is also capable of playing songs in the background.