Blending classical, bluegrass, progressive rock, jazz, and folk may be difficult, even hazardous, but singer-songwriter and guitarist Dan Costello is up to the challenge. His performance experience ranges from hard rock bands to jazz ensembles to medieval instrumental troupes. He earned a Bachelors of Music degree in classical guitar in 2001 and works both in and out of the scholastic realm as a performer, accompanist, editor, composer, arranger, lyricist, teacher, and most recently, radio sh...