For the majority of rock bands, the prospect of recording an album’s worth of new material at a live show would be a bit terrifying. For the instrumental prog-fusion band Woodenhead, it’s just virtuosity as usual. Now in its forty-third year, the band doesn’t put out new music very often: The last new album, Perseverance, was back in 2003 (an archival set at Tipitina’s, from 10...