Recently, Chihara grafted a new movement onto one of Schumann's lesser-heard works, the three-movement Overture, Scherzo and Finale.

NPR: Robert Schumann Reconsidered at Carnegie Hall

"It's a strange piece because it's like three-fourths of a symphony, " Chihara says.

NPR: Robert Schumann Reconsidered at Carnegie Hall

Chihara noticed that Schumann's three-legged original was lacking a slow movement.

NPR: Robert Schumann Reconsidered at Carnegie Hall

Sometimes the two intersect: In this studio session, they play Billy Strayhorn's "Take the 'A' Train, " but in an arrangement by the contemporary American composer Paul Chihara.

NPR: Harlem Quartet Takes The 'A' Train In Boston

This Carnegie Hall concert, by the Orpheus Chamber Orchestra, features two orchestral pieces by Schumann that have been remodeled, so to speak one by the composer himself, and another by Paul Chihara.

NPR: Robert Schumann Reconsidered at Carnegie Hall