These books never got released (not yet anyways).
Where’d You Get That Funk From?
Year: 2006-2008
Author/Editor: Lloyd Bradley
https://www.bookdepository.com/Whered-You-Get-That-Funk-From-Lloyd-Bradley/9781841955919
Funkadelic’s Maggot Brain (33 1/3)
Year: 2009-2016
Author/Editor: Matt Rogers
https://www.amazon.com/Funkadelics-Maggot-Brain-Matt-Rogers/dp/0826429041
