To learn Hitorie - Polaris chords, your first step should be understanding these chords - A#m, B, F#, D#m, B, F#, B, F#, A#m, B and C# in sequence. Begin your practice at a relaxed 91 BPM, then work your way up to the song's BPM of 182. With the song's key of F# Major, set your capo to fit your vocal range and chord choice.