Pianist/composer David Thomas Roberts will perform two house concerts in the Denver area, in addition to his previously announced ragtime-oriented show at 7 p.m. May 1 at Schmitt Music in Englewood.

• At 7 p.m. May 3, he will appear in a house concert at Ann and Decker Westerberg’s home, 310 Shadycroft Drive, Littleton. Contact for reservations: 303-795-7731. This will also be ragtime-oriented.

• At 7 p.m. May 4, he will perform a house concert at Jere DeBacker’s home, 9360 E. Center Ave. #5A, Denver. Contact for reservations: 303-570-6243 or Jere@jeresPPC.com. “This will reflect the full breadth of my compositional spectrum,” Roberts said.