Dave Mason's pop songwriting contributions -- "Feelin' Alright,"
"Hole in My Shoe," "We Can All Join In" -- brought some crucial
leavening to his old band's (Traffic) classical-jazz-blues mix. But
when he went solo, Mason turned soft and then got softer. The
guitarist's way with a hook is apparent throughout his work, but
more telling are his limited vocal range, an overall sense of
caution, and l...