Say Siegel–Schwall

[1] Their second album, it was released in 1967 by Vanguard Records as a vinyl LP.

[2] Say Siegel–Schwall was the first of two albums by the band to feature Jack Dawson on bass guitar.

It was dedicated to Jos Davidson, the previous bassist.

On Allmusic, Cub Coda wrote, "For all parties concerned, this was the group's breakthrough album....

Some of it rocks, some of it boogies, some of it's downright creepy and eerie.