http://www.nytimes.com/2014/10/12/arts/music/enveloping-sound-of-a-serene-soul.html 2014-10-12 06:43:08 Enveloping Sound of a Serene Soul The South African pianist Abdullah Ibrahim isn’t the sort of performer who turns this way and that looking for new angles. === The South African pianist Abdullah Ibrahim isn’t the sort of performer who turns this way and that looking for new angles and methods to please: He has got a big sound and a single disposition, refined through the decades. His piano performances are influenced by Duke Ellington and Thelonious Monk ballads, gospel hymns and old African songs; they’re placid and persistent, gentle but deep. He will play a