Caetano Veloso is difficult to predict. Sat, Apr 10, 2010, at Lisner Auditorium, he appeared with a very young trio consisting of a lead electric guitarist, electric base (and keyboard) player, and a very impressive drummer. The drummer was called Calado or Callado (meaning silent), which is à propos for this quiet rock n’ roll drummer. However, Caetano was at his best singing a tango (Volver?) and a couple of songs with his acoustic guitar, including a lovely duet with the drummer on his interpretation of Billie Jean by Michael Jackson combined with a Beatles’ stanza finale from Eleanor Rigby. In his mid-sixties, slender and physically fit, performing pirouettes with his voice, Caetano is impressive. He continues to produce a good show, this time with a parsimonious band of young rockers. I prefer to hear Caetano playing with acoustic instruments, and using a percussionist in addition to a drummer. His lead guitarist needs to come out of his shell and play more melody. Unlike Bob Dylan, who appears with age to have become mushy and uninterested on the world outside music, Caetano electrified the audience when he played Guantanamo.