Yamaha SY77 Demo
48:51
Yamaha SY77 - Zapomniana legenda [Syntezatorownia 4]
35:41
Behringer PRO-800: The Voices of the Prophets Patches HQ DEMO (No Talking)
12:46
AKAI AX80
38:19
YAMAHA MUSIC SYNTHESIZER SY77 【完全版】
11:14
Yamaha DX7 to SY77 | The most famous Yamaha DX7 patches converted to Yamaha SY77!!!
23:49
YAMAHA SY99 Demo&Review [English Captions]
34:54
Demystifying the TG77 / SY77 - FM Patch From Scratch
39:17