how to change music in google play while phone is sleeping

[khuzema]

i was wondering if anybody can please help me , regarding how to change play and pause music in google play while phone is asleep , like i pres the power button and it goes to sleep then how can i do this without pressing the power button.. i dont see any controls on the screen..

another thing i wanted to ask you guys was wn the phone goes to sleep after inactivity , it shoes the clock , but when it goes to sleep after pressing the power button , the screen remain dark , anyway to fix it as well..
all help and opinions are welcome

 

[patruns]

You can only do that with the mic button on the headset. Press once quick and it will pause. Double press twice quickly and it will skip to the next track.