JoelVee posted a topic in Celviano AP-x50 and x60 SeriesHi We have a wav file that we want to either save to the piano or play from the USB. USB has been formatted on the piano as per instructions, then a wav file copied from computer to folder in MUSICLIB as per instructions onto the USB. Piano doesn't find wav file in the folder on the USB. Can't save to piano, can't play from USB. weve tried this with multiple USBs but are having the same issue. Can anyone advise a step by step procedure? Have followed the difficult instructions in the manual exactly but no go. Help!