From 9to5Toys.com:

Amazon’s App Store is offering a number of highly rated Android music apps worth a total of $40 for completely free today.

Some of the most notable apps in the sale include Shazam Encore which has received a 4+ star rating from over 23,000 users on Google Play (Reg. $5), music and news streaming service TuneIn Radio Pro which has 4 stars from over 43,000 users (Reg. $4), and on-the-go tab resource Ultimate Guitar Tabs, also with 4+ star rating from nearly 40,000 users (Reg. $3).

Other apps in the sale include Guitar Riff Pro, Metronome: Tempo, iReal Pro and others. Outside of this particular sale, as Amazon’s free Android app of the day Mini Piano has also gone free (Reg. $1). You’ll find more app deals in our daily Game/App round-ups.

Amazon Music App Sale-FREE