Complex sentence: His raw, highly vocalized sound and penchant for playing "in the cracks" of the scale led many Los Angeles jazz musicians to regard Coleman's playing as out-of-tune; he sometimes had difficulty finding like-minded musicians with whom to perform.
Split into simpler sentences: His raw, highly vocalized sound and penchant for playing "in the cracks" of the scale led many Los Angeles jazz musicians to regard Coleman's playing as out-of-tune. He sometimes had difficulty finding like-minded musicians with whom to perform.