house near the University of Pennsylvania campus. In 2005 drummer Sammy Altman left the band to pursue a career in medicine. The band began a search for their next drummer ending with a two-night, sold-out drum-off concert at the Borgata's Music Box in Atlantic City. In December 2005 Allen Aucoin was announced as the newest member of the band. Aucoin knew members of the Biscuits' road crew and had opened for the Biscuits in the past. In 2006 the band purchased the Old City Philadelphia studio space that had previously belonged to DJ Jazzy Jeff. The space became a place for local musicians to congregate and work, culminating in the unique collaborations recorded in recording studio efforts known as the Planet Anthem sessions. Around the time Planet Anthem was released, the Biscuits also collaborated with noted hip-hop producer Damon Dash working on a variety of projects. Camp Bisco The first Camp Bisco took place in August 1999 in Cherrytree Pennsylvania, the band seeking to combine the creative effects of electronic DJs with improvisational rock. Over 17 years Camp Bisco has grown by leaps and bounds, with its lineup expanding to include acts such as Shpongle, Lotus, Pretty Lights, Bassnectar, Gramatik, and STS9. The band celebrated its fifteenth anniversary of the festival during July 2017 on Montage Mountain in Scranton, Pennsylvania. Camp Bisco was canceled in 2020 due to the COVID-19 pandemic. The band participated in the drive-in "Pavement Rave" concert series at the same venue as a replacement event. The 2021 festival was also canceled, citing that it could not be organized in time without compromising the experience. Two concert dates in Philadelphia were organized as a replacement, headlined by the band and Lotus. Rock operas Brownstein and Gutwillig have each written rock operas. Gutwillig was first, writing the Hot Air Balloon sometime before it debuted on December 31, 1998, at Silk City in Philadelphia. Brownstein wrote the Chemical Warfare Brigade in early 2000 while on hiatus from the band. It debuted at the Trocadero Theater in Philadelphia on August 19, 2000 along with his side project Electron. The Disco Biscuits played the Chemical Warfare Brigade for the first time at the Vanderbilt in Plainview, New York on December 30, 2000. In 2022 the band begun to debut parts of a third opera entitled Revolution in Motion. Philanthropy The Disco Biscuits are involved in a number of charitable efforts including