The guitarist Oren Fader, the work's third featured performer, played brilliantly.
Courtney Romano, a capable, charismatic performer, played the ingénue Lois Lane as a ditzy, chirpy Barbie doll.
Ms. Koh, a spirited and idiosyncratic performer, played the sonata with passionate zeal and vivid contrasts, nimbly conquering its virtuosic challenges and blazing through "Les Furies," the whirlwind finale.
Mr. Lang, who can be a hyperkinetic performer, played this music — and the solo pieces as well — with the gracefulness and dignity it demanded, and couched Mr. Chen's melodies in a rich, singing tone.
Mr. Belgrave, well known as a teacher but still underrated as a performer, played subtle, wide and logical solos on trumpet and fluegelhorn that were like compressed pieces of wisdom.
He came up with a standard but serviceable love triangle: Kelly, as an expatriate American painter, falls in love with an elusive gamine played by Ms. Caron, unaware that she is the former ward and current fiancée of his friend, a music hall performer played by Georges Guétary.
