Cassie & Maggie MacDonald. Unique blend of original and traditional Celtic music with Piano and Fiddle. $23. 7:30 p.m. Old Songs Community Arts Center, 37 South Main Street, Voorheesville, NY. Tickets are $23 for adults; $5 for children 12 and under are available at oldsongs.org or by calling Old Songs at (518) 765-2815.