Roy Estrada played on these albums or songs:

• Freak Out! (bass, guitarron, boy soprano)
• Absolutely Free (bass)
• We're Only In It For The Money (electric bass, vocals)
• Cruising With Ruben & The Jets (bass)
• Uncle Meat (electric bass)
• Burnt Weeny Sandwich (bass, vocals)
• Weasels Ripped My Flesh - Prelude To The Afternoon Of A Sexually Aroused Gas Mask (vocals)
• Weasels Ripped My Flesh (bass)
• Zoot Allures (bass, vocals)
• Shut Up 'N' Play Yer Guitar (bass)
• Ship Arriving Too Late To Save A Drowning Witch (vocals)
• The Man From Utopia (vocals)
• Baby Snakes (vocals, bass)
• Them Or Us - Stevie's Spanking (background vocals)
• Them Or Us - Frogs With Dirty Little Lips (background vocals)
• You Can't Do That On Stage Anymore vol 1 - Let's Make The Water Turn Black/Harry, You're A Beast/The Orange County Lumber Truck (bass, vocals)
• You Can't Do That On Stage Anymore vol 1 - Plastic People (bass, vocals)
• You Can't Do That On Stage Anymore vol 1 - Sweet Leilani (bass, vocals)
• You Can't Do That On Stage Anymore vol 1 - Oh No (bass, vocals)
• You Can't Do That On Stage Anymore vol 3 - Zoot Allures (bass)
• You Can't Do That On Stage Anymore vol 4 - You Call That Music? (bass, vocals)
• You Can't Do That On Stage Anymore vol 4 - Tiny Sick Tears (bass, vocals)
• You Can't Do That On Stage Anymore vol 4 - Are You Upset? (bass, vocals)
• You Can't Do That On Stage Anymore vol 5 - The Downtown Talent Scout (bass)
• You Can't Do That On Stage Anymore vol 5 - Charles Ives (bass, vocals)
• You Can't Do That On Stage Anymore vol 5 - Here Lies Love (bass, vocals)
• You Can't Do That On Stage Anymore vol 5 - Mozart Ballet - Piano Sonata in B flat (bass)
• You Can't Do That On Stage Anymore vol 5 - Chocolate Halvah (bass, vocals)
• You Can't Do That On Stage Anymore vol 5 - Run Home Slow: Main Title Theme (bass, vocals)
• You Can't Do That On Stage Anymore vol 5 - The Little March (bass, vocals)
• You Can't Do That On Stage Anymore vol 5 - Right There (bass, vocals)
• You Can't Do That On Stage Anymore vol 5 - Where Is Johnny Velvet? (bass)
• You Can't Do That On Stage Anymore vol 5 - Return Of The Hunch-Back Duke (bass)
• You Can't Do That On Stage Anymore vol 5 - Trouble Every Day (bass)
• You Can't Do That On Stage Anymore vol 5 - Proto-Minimalism (bass)
• You Can't Do That On Stage Anymore vol 5 - My Head? (dialog)
• You Can't Do That On Stage Anymore vol 5 - Meow (bass)
• You Can't Do That On Stage Anymore vol 5 - Baked-Bean Boogie (bass)
• You Can't Do That On Stage Anymore vol 5 - Where's Our Equipment? (bass)
• You Can't Do That On Stage Anymore vol 5 - No Waiting For The Peanuts To Dissolve (bass)
• You Can't Do That On Stage Anymore vol 5 - Underground Freak-Out Music (bass)
• You Can't Do That On Stage Anymore vol 5 - German Lunch (dialog)
• You Can't Do That On Stage Anymore vol 5 - My Guitar Wants To Kill Your Mama (bass)
• You Can't Do That On Stage Anymore vol 6 - Lonely Person Devices (bass)
• Ahead Of Their Time (bass, vocals)
• The Lost Episodes - Wedding Dress Song (bass)
• The Lost Episodes - Handsome Cabin Boy (bass)
• Läther - A Little Green Rosetta (bass)