The musicsoft downloader program is a free application that can be used to transfer files to and from yamaha's instruments through a midi or usb-midi connection this application is not necessary for those instruments that have a usb to device port, because files can be transferred with a common usb flash drive but for those instruments, such. Downloadyamahacom musicsoft downloader psr e443. Instrumente, die nur einen usb host-anschluss haben, z b ein psr-e343-keyboard, ben
