Aaron Holthus is a music producer/engineer and bassist based in Brooklyn, New York. He is the primary producer, music director, and co-writer for indie-pop artist Adelide, as well as the bassist and studio recording engineer for "Lo-fi Folk" artist Hudson Freeman. 

Holthus has served as producer and/or engineer in various capacities for artists including Adelide, Hudson Freeman, Sam Padrul, John Sturino (BLOW GLOBE), Randal Despommier, Sam Graham, Eugenia Choe, and others. When writing, producing, and recording music, Holthus works out of his home studio (A.Hol Studio) in Brooklyn as well as the esteemed Figure8 Recording. Performing, he is at home both on the upright and electric bass, following in the footsteps of his legendary mentor, John Patitucci. In addition to playing bass for most of his production clients, Holthus has performed and recorded with a diverse roster of artists including the Grammy nominated One O'clock Lab Band, ERINI, Jas Kayser, Margaux Vranken, Anna Jalkeus, Horace Bray, and many others.​