【日本人なら思わず歌う】幸せなら 態度でしめそうよ 2017.01.14 Jazz https://www.youtube.com/watch?v=rKqefcP1glEVideo can’t be loaded because JavaScript is disabled: If You're Happy and You Know It | Christian Sands, jazz piano (https://www.youtube.com/watch?v=rKqefcP1glE)