OMG! These kids today

[6441]

If by "today" you mean 1987? This is gold!
Chick Corea - keyboard - Yamaha KX5 Keytar
John Patitucci - bass - Yamaha TRB JP TDR
Dave Weckl - drums
Frank Gambale - guitar - 540S-LPF
Eric Marienthal - saxophone - Selmer Mark VI Alto

Check out the altissimo at 06:24 -
Can't be embedded: Click here
View: https://www.youtube.com/watch?v=wq1hcOVHtL4

 

[Tenor Viol]

OK never seen or heard that before. The 'drum-guitar' hybrid electronic thing is weird. Obviously very early digital/electronic sampled devices at a guess?

 

[6441]

I wondered about that thing as well, no idea what it is. But they're sharp dressers!