Bootsy Collins is known for his funk mastery, but his new album with Buckethead draws in metal, rock, and more. Metal Health is a collaborative effort that explores genres as well as themes of mental, social, and psychological well-being.The duo also called on their talented friends for guest spots. Metal Health features cameos by Samuel L. Jackson, Eric Gales, Jennifer Batten, Nat Alien, Barbie T, Ouiwey Collins, and more. On the bass side of things, Collins is joined by Robert Trujillo, Victor Wooten, Manou Gallo, and Billy Sheehan. Wooten was featured in the title track released earlier this year.