I gotta say - Michael Henderson is probably one of my all-time favorite bassists, and I have had a lot of favorites over the decades! This is one of my favorite parts of Prelude from Agharta:
The phaser on the pops - the pops themselves - then in the segue to the next section he manually tunes down his E string and goes for it!
The phaser on the pops - the pops themselves - then in the segue to the next section he manually tunes down his E string and goes for it!