A marvelously eloquent, always mellifluous player, Reuben 'Ruby' Braff (born Boston, Mass., 1927) is something of throwback to jazz of pre - World War II except that where Braff is concerned his music sounds fresh and despite strong influences is Armstrong, Berigan, Hackett, James, he does not slavishly copy any of the great trumpeters / cornettists of the past. A self - taught musician, Braff has tended to concentrate almost exclusively on the warmer sound of the cornet (like, for example, Nat …