Leif Morgan à gren (born July 13, 1967) is a Swedish progressive rock and jazz fusion drummer and composer from UmeÃ¥. à gren began drumming at age four and formed the duo Zappsteetoot with Mats Ãberg in 1984. In 1988, à gren performed with Frank Zappa, later contributing to the Grammy-winning album Zappa's Universe (1993) and sharing drum duties with Terry Bozzio on the Dweezil Zappa album Shampoohorn (1994). à gren toured with Glenn Hughes in 1996 and established the label Ultimate Audio Entertainment. As a member of Fleshquartet, à gren appeared on the Grammis-winning Goodbye Sweden (1990). He joined Kaipa in 2002, recording Notes from the Past and Keyholder. à grenâs solo works include Batterie Deluxe (2015) and Through the Eyes of a Morgchestra (2016). He performed on Devin Townsendâs Casualties of Cool (2014) and Empath (2019). In 2010, à gren was voted best fusion drummer by Modern Drummer.