One big help has been her circle of fellow musicians, what she calls “the cream of the Boston crop,” including former Morphine drummer Billy Conway and sister-in-arms Catie Curtis. Don’t let any girl-with-a-guitar preconceptions fool you, though. Maybe it’s the Morphine influence, but this is one coffee-shop troubadour for those who take theirs black and sugar-free. Hear Kris Delmhorst live at the Science Museum’s Eureka! Theatre, Friday, Dec.6, 7:30 p.m., $12/$15, 864-1400. — wayne