1983 Yamaha DX7 with original factory data cartridge 1 and 2 - playing all 128 sounds 1080p

A demo of all the preset sounds of the 2 standard delivered factory data cartridges with 64 sounds each divided in section A and B
Number 1 consisted of:
A: Master Group
B Keyboard & Plucked Group
Number 2:
A: Orchestral & Percussive Group
B: Synthcomplex & Effects Group