Tom Constanten was a producer for the Grateful Dead.
 After meeting Grateful Dead sound engineer Bob Bralove at Jerry Garcia's memorial service, the duo formed Dose Hermanos, a showcase for their improvisational keyboard work; since 1998 to 2023, they have toured irregularly and released five albums
== Discography ==Anthem of the Sun (1968)  Grateful DeadAoxomoxoa (1969)  Grateful DeadLive/Dead (1969)  Grateful DeadU (1970)  The Incredible String BandZabriskie Point (1970)  various artistsTarot (1972)  TouchstoneDuino Elegies (1988)  Robert HunterFresh Tracks in Real Time (1989)  Tom ConstantenAlternate Versions (1989)  Henry KaiserOutSides (1990)  Tom ConstantenHeart's Desire (1990)   Henry KaiserSonatas by Beethoven, Schubert and Hadyn (1991)  Tom ConstantenHope You Like Our New Direction (1991)   Henry KaiserA Victorian Christmas (1991)  Robin PetrieNightfall of Diamonds (1992)  Tom ConstantenMorning Dew (1993)  Tom ConstantenA Victorian Noel (1993)  Robin PetrieEternity Blue (1994)  Henry KaiserDead Ringers (1994)  Dead RingersEmbryonic Journey (1994)  Jorma Kaukonen and Tom ConstantenGrayfolded (1994)  Grateful DeadThe Siamese Stepbrothers (1995)  The Siamese StepbrothersLive in Concert at the Piano (1996)  Tom ConstantenBlues For Allah Project (1996)  Joe Gallant and IlluminatiSonic Roar Shock (1997)  Dose HermanosLive at the Fillmore East 2-11-69 (1997)  Grateful DeadFallout from the Phil Zone (1997)  Grateful DeadLive from California (1998)  Dose HermanosShadow of the Invisible Man (DVD, 1999)  Dose HermanosGrateful Dreams (2000)  Tom ConstantenSearch for Intelligent Life (2000)  Dose HermanosDick's Picks Volume 16 (2000)  Grateful Dead88 Keys to Tomorrow (2002)  Tom ConstantenDick's Picks Volume 26 (2002)  Grateful DeadBright Shadows (2004)  Dose HermanosJan 29, 2004, Charlotte, NC (2004)  Dark Star OrchestraThe Complete Fillmore West 1969 (2005)  Grateful DeadFillmore West 1969 (2005)  Grateful DeadShimmy Shack (2005)  Shimmy ShackFor Rex: The Black Tie Dye Ball (2006)  The Zen Tricksters w/ Donna Godchaux, Mickey Hart, Tom Constanten, David Nelson, Michael Falzarano, Rob BarracoMoved to Stanleyville (2006)  Tom Constanten and Ken FoustDeep Expressions, Longtime Known (2006)  Tom ConstantenGram Parsons Archives Vol

