The Knoxville Opera will present a free concert, "A Musical Homecoming to Temple Beth El," featuring Jennifer D'Agostino, mezzosoprano; Michael Roemer, baritone; and Brian Salesky, artistic director and pianist. Selections include Milk and Honey (1961) by Jerry Herman; Exodus (1960) by Ernest Gold; West Side Story (1957) by Leonard Bernstein; Don Giovanni (1787) by Wolfgang Amadeus Mozart; Fiddler on the Roof (1964) by Jerry Bock; Shulamis (1880) by Abraham Goldfaden; and Men ken lebn nor men lost nisht (1932) by…