rhythm

The rustle of the poplar leaves about the house worried her, it sounded so like pattering raindrops, and the full, faraway roar of the gulf, to which she listened delightedly at other times, loving its strange, sonorous, haunting rhythm, now seemed like a prophecy of storm and disaster to a small maiden who particularly wanted a fine day.

As its soft rhythm died away, Holmes set to work upon the lower door.

Musicians played trumpets, trombones, and drums with a very strong rhythm.

You can easily hear the wonderful, lively rhythm from several blocks away.