Crossword Genius

Music and weed, which you may have in the back yard (4,6)

Ross

I believe the answer is:

rock garden

'which you may have in the back yard' is the definition.
(you might have a rock garden in your back garden)

'music and weed' is the wordplay.
'music' becomes 'rock' (rock music).
'and' says to put letters next to each other.
'weed' becomes 'garden' (weeding is a type of gardening).
'rock'+'garden'='ROCK-GARDEN'

(Another definition for rock garden that I've seen is " horticultural feature".)

I've seen this clue in The Guardian.
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