Maybe Jagger and mother’s performing ‘Carver’? (10)

I haven't cracked this one yet — but the brilliant team at Fifteensquared have:

STONE(any one of the members of the Rolling Stones pop group, perhaps/maybe Mick Jagger) plus ( and ) MA(familiar term for one’s mother)’S + ON(performing/engaged in an activity, as in “He was there on his round”).