Gunnar Madsen is an American composer and vocalist. He was the founder and leader ofThe Bobs before leaving the group in 1991, and has released several albums as a solo artist since then.

Madsen learned to play guitar as a teenager and studied classical piano atUC Berkeley. He worked for asinging telegram corporation before founding thea cappella ensembleThe Bobs in 1981. Among other successes, Madsen was nominated for aGrammy Award for their arrangement of "Helter Skelter" byThe Beatles.

Madsen left The Bobs in 1991 and began writingvideo game music for theAtari Coin-Op games. He began releasing albums as a solo artist in 1997 and has released eight as of 2021. His efforts include three children's records (all recipients ofParents' Choice Gold Awards), three recordings of instrumental compositions. In 2021 he began releasing electronic music under the names MCMGM and markeprang.

The title song from his CDOld Mr. Mackle Hackle was adapted by Madsen into a children's book forLittle, Brown & Co. He provided the singing voice forDon Cheadle's portrayal ofSammy Davis Jr. in the HBO filmThe Rat Pack, and arranged music for and appeared in the 2006Vince Vaughn/Jennifer Aniston filmThe Break-Up. His music has also been featured in HBO'sSex and the City and the filmsBreaking the Rules andJust a Kiss. A musical, "The Shaggs: Philosophy of the World", based on the life story ofThe Shaggs (co-written with Joy Gregory) was co-produced Off-Broadway by theNew York Theatre Workshop andPlaywrights Horizons in 2011, and was nominated for a Lucille Lortel Award and two Drama Desk Awards.

• 6 Songs for Children (1991)
• Spinning World: 13 Ways of Looking at a Waltz (1997)
• The Power of a Hat (1998)
• Old Mr. Mackle Hackle (1999)
• Ants in My Pants (2001)
• The Fall of Troy (2006)
• I'm Growing (2008)
• Two Hands (2009)
• I Am Your Food (2018)
• On The Floor (as MCMGM) (2021)
• Transitions (as markeprang) (2021)

• Jason Ankeny,Gunnar Madsen at Allmusic
• New York Times[1]
• IMDB[2]
• BroadwayWorld.com[3]

• Gunnar Madsen Website; includes abiography

• American male composers
• 21st-century American composers
• Living people
• University of California, Berkeley alumni
• 21st-century American singers
• 21st-century American male singers

• Articles with short description
• Short description is different from Wikidata
• Place of birth missing (living people)
• Year of birth missing (living people)