DELMARK'S 70th ANNIVERSARY BLUES ANTHOLOGY Featuring 10 of the finest tracks from the Delmark blues music vaults. Seventy years on, Delmark is the oldest independent jazz and blues record label in the world, boasting a catalog bulging with over twelve thousand recordings by a virtual who's who of jazz and blues.� Although Bob Koester retired in 2018, under the leadership of President/CEO, Julia A. Miller and Artistic Director�Elbio Barilari, Delmark has released over 30 thirty albums in five years, has made digitally available over twelve thousand songs and continues it's mission.