Thomas Ad s's Violin Concerto Concentric Paths, written in 2005, is one of the most important additions to the violin concerto repertoire since Ligeti's. Cast in three contrasting movements--each linked by a preoccupation with circling musical figures-- the concerto, subtitled Concentric Paths now occupies a place in standard repertoire. Two lithe, rhythmically driven movements, Rings" and "Rounds" bookend "Paths," an intensely emotional and gritty...