Roy Estrada
Roy 'Oréjon' (Ralph Moleman Guacamole Guadalupe Hidalgo) Estrada was an original member of The Soul Giants, which became the original Mothers Of Invention.
After leaving The Mothers he formed Little Feat with Lowell George. He played bass on Ivan Ulz's Ivan The Ice Cream Man album (1970). and played with Captain Beefheart's Magic Band during 1972 - 1973.
Roy provided bass and vocal for Freak Out!, Absolutely Free, We're Only In It For The Money, Lumpy Gravy, Cruising With Ruben & The Jets, Uncle Meat, Burnt Weeny Sandwich, Weasels Ripped My Flesh, Zoot Allures, Shut Up 'N Play Yer Guitar set, Ship Arriving Too Late To Save A Drowning Witch, The Man From Utopia, Baby Snakes, Them Or Us, Thing-Fish, You Can't Do That On Stage Anymore Vol. 1, You Can't Do That On Stage Anymore Vol. 3, You Can't Do That On Stage Anymore Vol. 5, You Can't Do That On Stage Anymore Vol. 6, Ahead Of Their Time, Civilization Phaze III, The Lost Episodes, Läther, Frank Zappa Plays The Music Of Frank Zappa, Mystery Disc, FZ:OZ, Joe's Corsage, and Quaudiophiliac; and to the Beat The Boots series disks The Ark (BTB), 'Tis The Season To Be Jelly (BTB), Electric Aunt Jemima (BTB), & Our Man In Nirvana (BTB).