How the Holocaust rocked Rush front man Geddy Lee by scott r. benarde correspondent The Canadian rock trio Rush will draw from an impressive song catalog spanning four decades on its current 30th anniversary tour, including classics such as “New World Man,” “Tom Sawyer” and “Freewill.” The band also is performing tracks from its newest album, “Feedback,” a collection of favorite songs by other acts, including rock standards such as “Summertime Blues,” and “Heart Full of Soul.” But it is another song in the Rush repertoire that concertgoers should pay close attention to when the band performs in the Bay...