Charles Troy is a musical theatre historian, graphic designer and former theatre lyricist who has created more than 50 multimedia presentations on musical theatre subjects. Last year he made six monthly appearances in Marshall County, Indiana, each time giving a different 45-minute Cole Porter presentation. For seven years, he has appeared at the annual Cole Porter Festival in Peru. He appears monthly at the Skokie Theatre in his native Chicago area, has presented on Silversea cruises, and every January, in Florida. He recently made his first New York City appearance. www.charlestroy.com

Elizabeth Doyle, singer-pianist-composer-writer-music director, was a featured guest on the late Marian McPartland’s NPR program Piano Jazz and a magnet at Chicago’s famed Pump Room. Doyle has performed on the BBC  and Dutch radio, South Dakota Public Radio, NPR and Chicago’s PBS station, WTTW. As a composer, her musicals have been seen in California and throughout the Midwest. Her other compositions range from liturgical and chamber works, to art songs and cabaret material. She can be heard every Friday night at Barba Yianni in Chicago’s Lincoln Square. www.elizabethdoylemusic.com

David Edelfelt has been called a “consummate song interpreter [who] probably sounds great singing the weather forecast” –  “one of Chicago’s best” [Chicago Tribune]. David’s one-man cabaret shows have been called “superlative from start to finish, hilarious, deliciously engaging and simply brilliant.” Also a respected choral conductor, in his full-time work David serves as voice teacher, vocal coach, accompanist, writer and arranger to some of Chicago’s most successful and in-demand singers. His first CD, “Love is Born at Christmas” (available at cdbaby.com or davidedelfelt.com) has been nationally acclaimed and his eagerly anticipated second CD will be released this fall.