Mercury/Fontana/Keynote/Blue Rock

Mercury/Fontana/Keynote/Blue Rock Founded in 1945 in Chicago by Berle Adams and Irving Green as a division of the Mercury Radio & Television Corporation , the Mercury label’s first A&R person devoted to black music was noted Chicago pianist and composer Richard M. Jones , who arranged sessions for Albert Ammons, Sippie Wallace, the Cats ’n’ Jammers, and the Four Jumps of Jive. The label quickly expanded to cover jazz, polka, and country music, but blues and R&B, too, remained a large part of…