Today's guest, the great Mary Testa, has 13 Broadway credits, 2 Tony Award nominations, 26 off-Broadway credits, 2 Obie awards, and a Drama Desk award for her nearly four decades of outstanding work in the New York Theater. She talks to Theater People about her new album "Have Faith," which is her collaboration with Tony-winning orchestrator Michael Starobin ("Next to Normal," "Sunday in the Park with George"), and her work with the great composer/orchestrators William Finn, Aherns & Flaherty, and Michael John LaChiusa.