A dynamic octet puts a propulsive spin on the music of the idiosyncratic street musician Moondog

Plenty of ensembles in jazz and new-music circles have put their spin on the idiosyncratic compositions of the blind New York composer Louis Hardin, aka Moondog, who died in Germany in 1999. Self-taught and usually homeless, he was derisively known as the Viking of Sixth Avenue for the eccentric headdress and spear he sported.…