You often unlock your smartphone screen and click on the music icon to play song. But here is a one click shortcut if you are using Xiaomi Redmi 1S smartphone.
Shortcut To Play Music On Lock Screen
You do not have to unlock the screen, rather have to double tap on the unlock icon. Just within a fraction of second, you will be able to see the music icons on the lock screen (in picture).
Now you can play and enjoy the music.