The Cinquanta live personnel features a collaborative lineup of musicians from Puscifer, A Perfect Circle, and Failure, who shared the stage simultaneously to celebrate Maynard James Keenan's 50th birthday.

Core Performers by Band

The primary personnel for each band during the 2014 performance included:
• Puscifer: Maynard James Keenan (Vocals), Mat Mitchell (Guitar/Keys), Carina Round (Vocals), Matt McJunkins (Bass), and Jeff Friedl (Drums).
• A Perfect Circle: Maynard James Keenan, Billy Howerdel (Guitar), James Iha (Guitar), Matt McJunkins (Bass), and Jeff Friedl (Drums).
• Failure: Ken Andrews (Vocals/Guitar/Bass), Greg Edwards (Vocals/Guitar/Bass/Keys), and Kellii Scott (Drums). [3, 4, 5, 6]

Special Guests & Collaborators
The event was noted for its frequent rotation of members between sets. Key guests included:

• Danny Carey: Performed drums on "Cuntry Boner" and "Three Little Pigs".
• Devo Keenan: Provided solo cello performances.
• Green Jellÿ: Joined for "Three Little Pigs".
• Neil Hamburger: Performed a comedy introduction and joined for "New York, New York".
• Juliette Commagere: Additional vocals.
• Josh Eustis & Zac Rae: Keyboards. [3, 7, 9, 10, 11]

Production Team
• Producers: Mat Mitchell and Maynard James Keenan.
• Audio Mix: Josh Boardman.
• Mastering: Dave Collins.