What does the cryptic crossword clue "He’s committed to see AC/DC on grass (6)" mean?

The wordplay uses a charade (building blocks). BI (synonym="bisexual, ac/dc") + SHOP (synonym="to betray, grass") = BISHOP The answer is BISHOP.

He’s committed to see AC/DC on grass (6)

Guardian Cryptic #29456 | 19 Down | 2024-08-08 flower