Violinist Tim Fain talks by phone with Ellen Thurston and Tom DiPietro about his performance at Hudson Hall. Fain kicks off the Leaf Peepers Concert Series there, September 15. Also, the show tunes in recent live performances at HiLi in Catskill. "Hudson Valley Sound" presents local music and poetry, with live performances, interviews, and songs from albums. Sometimes the show will be live, and it could come from any location including musician's rehearsal spaces, local stages, or any WGXC studio. Send material for inclusion to Wave Farm, 5662 Route 23, Acra, NY 12405.