VINTAGE ROLAND S-550 DIGITAL SAMPLER SERVICE NOTES FIRST EDITION

VINTAGE ROLAND MT-200 DIGITAL SEQUENCER AND SOUND MODULE SERVICE NOTES COPY

VINTAGE ROLAND MKS-100 SERVICE NOTES COPY

VINTAGE ROLAND MC-50 MICRO COMPOSER SERVICE NOTES FIRST EDITION

VINTAGE ROLAND TR-505 RHYTHM COMPOSER SERVICE NOTES

VINTAGE ROLAND TR-808 RHTHYM COMPOSER SERVICE NOTES FIRST EDITION (COPY)

VINTAGE ROLAND P-330 DIGITAL PIANO SOUND MODULE SERVICE NOTES

VINTAGE ROLAND GR-1 GUITAR SYNTHESIZER SERVICE NOTES