Usar "rhythm section" en una oración

1. After a moment's pause as they stopped in line, and then a quick nod to each other, the brass section wailed a long low mournful chord, gently augmented by the rhythm section and lifting it gradually as the front spots came on one by one illuminating each musician in turn, until the rich ring of brass reached its apex, brought it to a cutting halt so that in the split second of silence it seemed to hang in the room like a clarion