Orrin Keepnews
Orrin Keepnews ( March 2 , 1923 – March 1 , 2015 ) was an American jazz writer and record producer known for founding Riverside Records and Milestone Records , for freelance work , and for his work at other labels . 
<triplet> Orrin Keepnews <subj> March 2, 1923 <obj> date of birth <subj> March 1, 2015 <obj> date of death <subj> Riverside Records <obj> record label <triplet> Riverside Records <subj> Orrin Keepnews <obj> founded by <triplet> Milestone Records <subj> Orrin Keepnews <obj> founded by