Ranging from the Renaissance era through the present Jeri-Mae G. Astolfi’s repertoire affirms her keen interest in new music. Now she has been led to commission and premiere a new solo and collaborative works with a free piano concert at 4 p.m. Sunday, Jan. 25, in the Piedmont College chapel in Demorest. The chapel is at 595 Central Ave. The Piedmont College artist-in-residence will perform works by William Byrd, John Bull, Peter Phillips, Giovanni Picchi, Henry Cowell, Stacey Barelos, Geoffrey Gordon, François Morel, Marjan Mozetich, Phillip Schroeder and Betty Wishart.