"The Chicago-born and -bred singer/guitarist's history is as eclectic as his artistry. His hometown pals included Curtis Mayfield and Jerry Butler of The Impressions and jazz pianist Ramsey Lewis, and he honed his vocal chops singing in local doo wop groups. A college dorm mate hipped him to folk music and he began gigging in coffee houses, making him a member of a small but talented group: African-American folk musicians who were contemporaries of Dylan and Joan Baez during the '60s folk explosion ... His first album (...) is as fresh and different in 2019 as it was [in 1964] ... While most of the tracks are traditional folk songs, Callier added inventive, contemporary chord changes and melodies ... Callier was a nimble finger-picking guitarist and, turned on by jazz giant John Coltrane's doubling of instruments, was solely accompanied here by two bassist playing simultaneously ... His debut album also introduced his phenomenal singing voice. No twee folknik, Trane's influence extends to his high-powered vocal delivery. Even when he's intentionally under-singing a ballad, he's full-throated. His blue-noted and soulful secular-gospel phrasing is often reminiscent of Charlie Rich".