Deborah Block

Fans have dubbed him "the psychedelic cellist," but he's more aptly a guerrilla, tearing through the jazz/gospel/country-colored fabric of Lyle Lovett's shows to lob a musical Molotov and then duck back into camouflage: starched and sober stage demeanor, painstaking posture, politely arranged face. Whatever the label, John Hagen has found...