This is a quite rare sound source and a guide for programming the YAMAHA SY77. It includes 24 famous songs. I studied a lot about programming, PAN effects, etc. using this back then, so there are some notes, but please be aware of this. Instant purchase is welcome. Thank you. Yamaha SOUND COLLAGE AMERICAN STYLE, with floppy disk. - Title: SOUND COLLAGE AMERICAN STYLE - Brand: YAMAHA - Media Format: Floppy Disk Thank you for looking.