These are the instructions on how to install Edge Music Player on Samsung Edge Panel (including Samsung Galaxy S6 edge, Samsung Galaxy S7 Edge, Samsung Galaxy Note Edge).
[*] Samsung Edge Music Player works with almost every music player including Google Play Music, Spotify, PlayerPro Music Player, Poweramp, Amazon Prime Music and lots more.
[*] No Need of Root: Rooting is not required to use the Samsung Edge Player on your Samsung Edge Device.
[*] Why Should I restart the Device? Well, Samsung Edge Player wont be working properly on Samsung Galaxy S6 Edge unless you restart the device after installing the application.
[*] Credits: Samsung Edge Music Player Application is created by hymxdev (xda developer). So, full credit goes to him for sharing the application for free.