Bob Koester, Revered Figure in Jazz and Blues, Dies at 88 May 15, 2021 IFTTT +3 Mr. Koester’s Delmark Records and his Chicago record store were vital in preserving and promoting music the big labels tended to overlook. NYT NYT > Business NYTimes IFTTT Mr. Koester’s Delmark Records and his Chicago record store were vital in preserving and promoting music the big labels tended to overlook. NYT NYT > Business NYTimes