TWTS: Your caring about gerunds is noble, but you caring is nice too
You could say, "I don't like him singing," or you could say, "I don't like his singing." Believe it or not, some folks have very strong feelings about which of those is correct.
You could say, "I don't like him singing," or you could say, "I don't like his singing." Believe it or not, some folks have very strong feelings about which of those is correct.