How to load beats from a USB key (flash drive) Psr E-473 piano in 6mins. Easy and beneficial
12:33
HOW TO LOAD THE BEATS ON #YAMAHA psr-E473
8:44
How to set worship on PSR E473
3:35
How to use USB to record on PSR e473
7:06
Yamaha PSR-E473 direct USB recording: Easy!
8:24
Cara mengaktifkan Flash disk ke Keyboard Yamaha PSR-E473
9:06
How to copy beats from USB flash disk to the keyboard
17:45
YAMAHA PSR 473: LES BASES POUR BIEN L'UTILISER (partie1)
7:01