CNET Top 5: Android music player apps

BlackPlayer EX Music Player (by FifthSource) - offline audio player for Android.

Android Studio Tutorial 6: Media Player

Stealth Audio Player - Best Music Player Ever ! App Of The Day ! Day 9

BEST MUSIC PLAYER FOR ANDROID 2021 // Best Music player For Android

UrbanDenoiser Player iPhone App Demo - State of Tech

iOS Development Tutorial: How to Build a Music Player App (Audio & Background Play)

Phonograph Music Player (by Karim Abou Zeid) - free audio player for Android.