Niels Klein (born 1978 in Hamburg, Germany) is a German jazz musician (soprano, tenor saxophone, clarinet), and composer.
Klein started playing the saxophon at the age of thirteen. From 1998 he studied saxophone with Frank Gratkowski and Claudio Puntin as well as composition and arrangement at the Musikhochschule Köln. From 1998 to 2000 he was a soloist and composer of the Federal Jazz Orchestra (BuJazzO). In 2000 he was with his Niels Klein Oktett prizewinner at the Jazzpodium Niedersachsen. From 2001 to 2009, he was a member of heavytones, the band on the television program TV total, with which he has accompanied rock and pop musicians such as Lionel Richie, Busta Rhymes, Anastacia, and Michael Bublé on the 2006 released album Heavytones where he also is represented with a composition.
In 2002, he appeared at the festival Jazz Baltica as Coleader of the band Firomanum together with guitarist Arne Jansen. In 2004 he received the Förderpreis of the State of North Rhine-Westphalia for music, and it appeared the first album of the Niels Klein Trio (with Dietmar Fuhr and Nils Tegen). In 2005, on behalf of the WDR, he compiled the Niels Klein Tentett, for which he composed a ninety-minute program that was performed at the Traumzeit-Festival Duisburg and at the Jazz Cologne Festival Cologne. In the same year he composed a mass for choir and double wind quintet for the ensemble o-ton. His Third Stream composition Refractions, for which he was awarded the Europäische Komponistenpreis der Stadt Berlin, was premiered in 2009, by the Federal Jazz Orchestra and the Federal Youth Orchestra. In 2011 he was awarded the WDR Jazz Prize as a composer.
Since 2006, Klein has designed the concert series Jazz-O-Rama in the Cologne Artheater with Oliver Leicht and Matthias Schriefl. He participated in tours and CD recordings (2005) with the Frank Wingold Quartet ("Clairvoyance"), Underkarl ("Goldberg Variationen"), Florian Ross ("EightBall") and the James Choice Orchestra. In 2008, he led the European Jazz Orchestra on a European tour; In 2009 he also conducted the NDR Big Band. Together with Jiggs Whigham, he has been directing the Federal Jazz Orchestra since 2011.