Michael Landers and Ariel Hsing, two champion table tennis players, who are soloists in Andy Akiho's concerto, "Ricochet,” backstage at David Geffen Hall in New York, Feb. 17, 2018. The soloists will be swinging paddles, hand drums, small gongs and even a wine glass in the unconventional concerto. (Dolly Faibyshev/The New York Times)