Conversation so far:
What happened in 1969 to the Nitty Gritty Dirt Band?
The Nitty Gritty Dirt Band made a cameo appearance in the 1969 musical western film, Paint Your Wagon, performing Hand Me Down That Can o' Beans.
Did the Nitty Gritty Dirt Band release any albums?
Nitty Gritty Dirt Band albums include 1972's Will the Circle be Unbroken.

Question: What other albums did they release?
Self-contained rewrite: What other albums besides Will the Circle be Unbroken, did the Nitty Gritty Dirt Band release?