Folk pop artist Brett Dennen's has been playing music since he was a teen ager . Born in 1979 in Northern California, he says that songwriting and making music has been "the way to figure out who I am" . He was home schooled and his experiences of living and working for years at the Jack Hazard summer camp had a profound impact on his view of life and his creative spirit and love of nature. Each of his albums explore a different theme never abandoning his commitment to social issues. Guitarist and singer Brett Dennen, tonight on WHYY' TV's On Tour. Elisabeth Perez Luna reports.