The Crux of the Biscuit was created in conjunction with the 40th anniversary of Frank Zappa's 1974 album Apostrophe(').
As part of Zappa Records' ongoing Frank Zappa Project/Object Audio Documentary Series, The Crux of the Biscuit contains rare alternate mixes, live performances, and studio session outtakes. This release celebrates Zappa's iconic, Gold-certified album, which landed in the Top 10 of the Billboard 200 albums chart.