He moved his head and his raised bare arms with slight, intense movements, as the delicate music poured out.

It was sixteenth-century Christmas melody, very limpid and delicate.
The pure, mindless, exquisite motion and fluidity of the music delighted him with a strange exasperation.

There was something tense, exasperated to the point of intolerable anger, in his good-humored breast, as he played the finely-spun peace-music.

The more exquisite the music, the more perfectly he produced it, in sheer bliss; and at the same time, the more intense was the maddened exasperation within him.
Millicent appeared in the room.

She fidgetted at the sink.