The Music Hall is a 895-seat theater located at 28 Chestnut Street in Portsmouth, New Hampshire, in the United States. Built in 1878, The Music Hall claims to be the oldest operating theater in New Hampshire and the 14th oldest in the United States. An independent venue that offers music, readings, dance, and cinema, The Music Hall brings in 90,000 visitors a year. In the past it has hosted musicians like Suzanne Vega and authors like Dan Brown.