The "r" in R&b Music
This page is the CodyCross answer for the clue below from Amusement Park, Group 220, Puzzle 1 (House of Mirrors).
Question is: The "r" in R&b Music
and the answer is: RHYTHM
Word Meaning:
RHYTHM — The variation of strong and weak elements (such as duration, accent) of sounds, notably in speech or music, over time; a beat or meter.
Definitions from Wiktionary.