VINTAGE ROLAND S-550 DIGITAL SAMPLER SERVICE NOTES FIRST EDITION

VINTAGE ROLAND GP-16 DIGITAL GUITAR EFFECTS PROCESSOR SERVICE NOTES 1ST EDITION

VINTAGE ROLAND KR-500 DIGITAL KEYBOARD SERVICE NOTES FIRST EDITION

VINTAGE ROLAND GR-1 GUITAR SYNTHESIZER SERVICE NOTES FIRST EDITION

VINTAGE ROLAND S-50 DIGITAL SAMPLING KEYBOARD SERVICE NOTES FIRST EDITION

VINTAGE ROLAND S-10 DIGITAL SAMPLING KEYBOARD SERVICE NOTES FIRST EDITION