Songs by Morteza Pashaei along with text for free, completely offline and no internet required 

All the songs in the program are in mp3 format and are of great quality

Note: You must have enough free internal storage to install the program.

Some app features:

Ability to share audio

Ability to play songs in the background of the phone

Ability to add songs to favorites

Ability to play songs automatically and in tandem

Ability to play, repeat and pause songs

Installable on Android 4+ mobile phones

Very simple and smooth user interface.

Ability to set songs as ringtone

Ability to store songs in the phone's internal storage