Yahoo.com reported: "Celebrating its 40th anniversary season, (Trinity Rep) the Providence-based troupe will introduce a new musical revue, Songs of Innocence, Songs of Experience, featuring the work of Stephen Sondheim, Joni Mitchell, Gershwin, John Prine and others. Amanda Dehnert handles direction and musical direction for the project. " The Trinity Rep web site listed above, however, doesn't mention whether Joni's music was actually used in show.