Played on my own way with intro. This is the first take. Backtrack recorded in Pro Tools.
Note some problem when I try to change the voice on the mid DX7 II (It was on edit mode, so I had to exit, then change voice).

Upper: Yamaha DX7 Mk1 (Original Cartridge’s Harp preset)
Mid: Yamaha DX7 II FD
Lower: Kurzweil PC1x