ASPEN – The benefit concert for Haitian children tonight at the Wheeler Opera House features several Aspen legends – Bobby Mason, Jimmy Ibbotson – and another handful of local acts – the Crowlin Ferlies, Derek Brown, the Defiance String Band, Melissa and Kelly Gabossi, Cottonwood Acoustic, and Starcher & Hudson. There’s also a music idol from the classic rock era, a contemporary TV personality …