This biography of a living person needs additional citations for verification. Please help by adding reliable sources. Contentious material about living persons that is unsourced or poorly sourced must be removed immediately from the article and its talk page, especially if potentially libelous. Find sources: "Rolf Ellmer" – news · newspapers · books · scholar · JSTOR (December 2010) (Learn how and when to remove this message)

Rolf Johannes Ellmer
Background information
Also known as	Jam, Jam El Mar, Trancey Spacer
Born	(1960-12-03) 3 December 1960 (age 64)
Origin	Karlsruhe, Germany
Genres	Electronic, techno, trance, trip hop
Occupation(s)	Songwriter, record producer, musician, DJ
Instrument(s)	Synthesizer, guitar
Years active	1990–present
Labels	Jam El Mar REC, Allstar Music Productions, Coldharbour Recordings, Perfecto Records, Tronic, Truesoul, Bonzai, Cherry Moon Records
Website	www.jam-el-mar.com, www.jamandspoon.de

Rolf Johannes Ellmer (born 3 December 1960) is a classically trained musician and composer (concert-guitarist) and has become one of Germany's most well known producers in the techno and trance scene.

Together with Markus Löffel (alias Mark Spoon), also from the German music scene,^[1] he has recorded under several monikers such as Jam & Spoon,^[2] Tokyo Ghetto Pussy and Storm. He was a member of the group Dance 2 Trance, along with Dag Lerner (alias DJ Dag), which had success all over the world and he is considered to be one of the pioneers of trance music.^{[citation needed]}

A string of hits under Jam & Spoon include "Right in The Night", "Stella", "Kaleidoscope Skies", "How Stella Got Her Groove Back", and "Set Me Free (Empty Rooms)".

Ellmer has also worked as a producer and remixer for other artists such as Deep Forest, Enigma, Moby, and Frankie Goes to Hollywood. Furthermore, he is recognized for being a successful DJ.