David Kemper is a drummer

Drummer

A drummer is a musician who is capable of playing drums, which includes but is not limited to a drum kit and accessory based hardware which includes an assortment of pedals and standing support mechanisms, marching percussion and/or any musical instrument that is struck within the context of a...

. He was a long-time member of both the Jerry Garcia Band

Jerry Garcia Band

The Jerry Garcia Band was a San Francisco Bay Area rock band led by Jerry Garcia of the Grateful Dead. Garcia founded the band in 1975; it remained the most important of his various side-projects until his death in 1995...

 (1983–1994) and Bob Dylan

Bob Dylan

Bob Dylan is an American singer-songwriter, musician, poet, film director and painter. He has been a major and profoundly influential figure in popular music and culture for five decades. Much of his most celebrated work dates from the 1960s when he was an informal chronicler and a seemingly...

's band (1996–2001). He was with the Jerry Garcia Band for the last eleven years of Garcia

Jerry Garcia

Jerome John "Jerry" Garcia was an American musician best known for his lead guitar work, singing and songwriting with the band the Grateful Dead...

's life. Kemper joined well-known Dutch

Netherlands

The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...

 progressive rock

Progressive rock

Progressive rock is a subgenre of rock music that developed in the late 1960s and early 1970s as part of a "mostly British attempt to elevate rock music to new levels of artistic credibility." John Covach, in Contemporary Music Review, says that many thought it would not just "succeed the pop of...

 band, Focus

Focus (band)

Focus is a Dutch rock band which was founded by classically trained organist/flautist Thijs van Leer in 1969, and is most famous for the instrumental pieces "Hocus Pocus" and "Sylvia"...

, for a short period in the mid-1970s, playing both on the Mother Focus

Mother Focus

Mother Focus is the fifth studio album by the band Focus, released in 1975. The album marks a departure from the progressive rock style that dominated the band's prior work, to a poppier, often disco influenced direction.- Side one :...

 album and on tour. He has also played with Mike Stinson, Elkie Brooks

Elkie Brooks

Elkie Brooks is an English singer, formerly a vocalist with Vinegar Joe, and later a solo artist. Elkie has been nominated twice for Brit Awards' top female singer. She is known for her powerful husky voice...

, Dennis Wilson

Dennis Wilson

Dennis Carl Wilson was an American rock and roll musician best known as a founding member and the drummer of The Beach Boys. He was a member of the group from its formation until his death in 1983...

 (on the Bambu sessions) and Bernie Leadon

Bernie Leadon

Bernard Mathew "Bernie" Leadon, III is an American musician and songwriter, best known as a founding member of the Eagles. Prior to the Eagles, he was a member of two pioneering and highly influential country rock bands, Dillard & Clark and the Flying Burrito Brothers...

. He played double drums with Jim Gordon on Barry McGuire

Barry McGuire

Barry McGuire is an American singer-songwriter best known for the hit song "Eve of Destruction", and later as a pioneering singer and songwriter of Contemporary Christian Music.-Early life:...

's "Don't Blame God", on his Lighten Up album in 1974.