Hi everyone ....on my Pa4x I can load a Mp3 backing track into the player then push record on the MP3 recorder and sing,......
the Pa4x will record Both backing and vocal simultaneously no problems then save it to usb, .....

BUT,.....a Friend tried to do this on the Pa900 and it won't record the MP3 backing track or vocal?.....
when you push record then the song player to play the song nothing happens, ....
does the Pa900 have this function ability like the Pa4x or not?
or is it a different procedure on the Pa900 vs the Pa4x?

Thanx for any help..