If it’s blues, that’s okay, but if it’s the kind of word that’s very indecent, you’ll have to boycott it. Maybe you can persuade him to try fast-paced music, as slow music will make him fall asleep more easily. Jay Chou has always been a representative of fast rhythm (at least I think so), and his songs are written by Fang Wenshan, and they are beautiful in terms of both melody and lyrics. If you don’t like domestic songs, you can also listen to some foreign songs. Elvis Presley had several uptempo songs, and one of them seems to have been used in a commercial by Apple.