Rob Warmowski was the founding bassist and lead singer for The Defoliants who were active from 1984 to 1989. In 1985 the band (Rob, Chuck Uchida and Jeff "BBQ" Cohn) released a cassette called "Now How Much Would You Pay For It?", a 7" EP titled "Hang Ten" in 1987 on Chicago label Pravda Records, and a LP titled "Grrr" on the Berlin label Angry Fish Music in 1989.
In 1991, Rob founded Buzzmuscle with Greg Dunlap, Dave Schleitwiler of Bhopal Stiffs and Brian Gay of Savage Beliefs. That band broke up in 1994 after releasing two 7"s ("Assembler/33 Degrees" and "Comedian / 12 Step") as well as winning graphic design honors by the US National Design Museum / Smithsonian for the "Assembler" package. Buzzmuscle completed but did not release an LP named "Stayeth".
In 2000, Rob appeared on Califone's second self-titled EP released on RoadCone records. Rob also played bass on the theme music for the 1997 TV comedy show "Upright Citizen's Brigade" as part of a combo named "The Real Welders". Between 1999 and 2002, Rob worked for the small Chicago independent label Perishable Records, art-directing and project-managing label projects including Califone, Fruit Bats, The Fire Show, Frontier and many others.
In 1999, Rob founded the surf-noir band San Andreas Fault with guitarist Pete Machine and a rotating cast of musicians. Appearing on bills with instrumental rock guitar legends Link Wray and Dick Dale, in 2003 SAF released the 90% instrumental album "Encantada", tracks of which appear on numerous television programs and radio stations. Work began in late 2012 on a second San Andreas Fault full-length for 2013 release.
In 2007, Rob founded SIRS, a band with vocalist Chris Kreb, who left that year. In 2008 SIRS released the 7" "Billy The Kidney / Fast Eddie and Curtis" on the Unicut Records label. SIRS included drummer Mike Greenlees (Blatant Dissent / Tar) and bassist Tony Jones (Sixteen Tons) with Rob on guitar and vocals. In August 2011, SIRS released the 4-song 12" EP "Boo Hoo". Mike Greenlees has since left, replaced on drums by Andy Kosinski.
In 2013, SIRS released the full-length "High Minors". The record includes guest appearances by John Haggerty of Naked Raygun / Pegboy and Thymme Jones of Cheer-Accident.
With animator Heather Smith, he created, wrote, directed, voice-acted, scored and engineered the online web comedy cartoon series "Officer Bob" in 2008. Rob now records as Allende and works as an independent technical and creative writer, producer and educator. He is also a contributor to the sports website Can't Stop The Bleeding, writing mainly about the Chicago White Sox.
In 2013, Rob and San Andreas Fault were commissioned by Chicago's Redmoon Theatre to compose the music for the Winter Pageant show, a Bollywood/surf production with 40 dancers, giant robotic vehicles and live performance by the Fault.
In 2014 The Fault released the 7" single "Blowne Leafe" b/w "Voight-Kamff"
In 2018, The Fault released a six song EP entitled "Black Ribbon", recording by Andy Gerber (Local H. Smoking Popes)