“A woman held a BlackBerry over the crowd surrounding Linda Ronstadt to get a shot of the onetime queen of country rock. Someone else thrust an album insert and pen at Josh Groban. ‘Just one more photo, please,’ followed jazz musician Wynton Marsalis out of the room. The three musicians were among a group who appeared Tuesday on Capitol Hill to speak in favor of increasing funding for the National Endowment for the Arts to $200 million in the 2010 budget.”