The Jamestown Community Chorus, under the direction of B.J. Whitehouse, rehearses Monday at Central Baptist Church for its semiquincentennial concert. Music will include songs by William Billings to Eric Whitacre, as well as Broadway shows. PHOTOS BY VERONICA BRUNO It has been 250 years since the Founding Fathers signed the Declaration of Independence, and the Jamestown Community Chorus will celebrate the U.S. semiquincentennial with a production of patriotic music.