To jam and learn Have A Nice Day - Watashinonawa Blue chords, your primary focus should be mastering these chords sequence: Dm, Bb, F, Am and Dm. To master the tempo, it's wise to start at 59 BPM before aiming for the song's 118 BPM. With D Minor as the song's key, tweak the capo to cater to your vocal pitch and chord likes.