Default [Q] One M8 Camera Fault/Music to SD Card

Sorry to disturb, but am having problems and hoping some of the bright sparks here can help.

Camera: If I restart the handset I can go into Camera. I can sometimes take 2 maybe 3 photos. Then it stops. Sometimes it's if I use any photo app to take photo rather than Stock Camera. Sometimes it's if I've looked in the gallery. Camera then only goes to blank screen and occasionally advises of Camera Driver Failure. Also pops up with 'Failed to Take Photo. Camera Busy.' when not even taking one. I can't work it out.

Music: Stores automatically to internal memory. I want it on my HUGE empty SD card. Is there an easy way?

Running Sense and Stock Rom.

Thanks for any help.