--- tags: music-library,solution,track --- # 'updates artist genre by id' solution ```js exports.updateArtist = (req, res) => { const { id } = req.params; Artist.update(req.body, { where: { id } }).then(([rowsUpdated]) => { if (!rowsUpdated) { res.status(404).json({ error: 'The artist could not be found.' }); } else { res.status(200).json(rowsUpdated); } }); }; ```