Kalle Aldis Laar (*1955) is a composer, musician and DJ. He has been director of the Temporary Sound Museum since 1996. Together with the artist zeitblom, he has produced music for radio plays such as "Metropolis" (Bayrischer Rundfunk 2001, Radio Play of the Year) and "M - Eine Stadt sucht einen Mörder" (Bayrischer Rundfunk/Deutschlandfunk 2003). For Bayrischer Rundfunk he composed the radio play "ars electronica" (2010).