For years, Jazz At The Philharmonic albums were the only ones of their kind.

After the agreement expired in 1953 he issued the JATP recordings and other recordings on Clef Records (founded 1946) and Norgran Records (founded 1953). After several JATP concerts in Los Angeles in 1944 and 1945 Granz began producing JATP concert tours from late fall of 1945 to 1957 in USA and Canada and from 1952 in Europe. 7th National Tour: Fall 1948.

Granz was a fundamental figure in American jazz especially from about 1947 to 1960. Norman Granz (August 6 1918 Los Angeles USA – November 22 2001 Geneva Switzerland) was an American jazz music impresario and producer.