Joshua Bell, Frank London, Austin Pendleton and Jackie Hoffman have joined the lineup for Raising the Roof - an all-star benefit concert celebrating the 50th Anniversary of Fiddler on the Roof, its Pulitzer Prize- and Tony-winning lyricist, Sheldon Harnick, and the 100thanniversary of The National Yiddish Theatre - Folksbiene - on Monday, June 9th, at New York's The Town Hall.