What does the cryptic crossword clue "Music genre, 'ouse arising (3)" mean?

The definition is "Music". The wordplay uses a reversal. OME (reversal="OME") = EMO; definition: "Music" The answer is EMO.

Music genre, 'ouse arising (3)

Guardian Cryptic #29282 | 27 Down | 2024-01-18 flower