To jam and learn Tedashii - Im Good chords, your primary focus should be mastering these chords sequence: B, Dbm, Ebm, Abm, Ebm, E, Gb and Ebm. I suggest starting at a calm pace of 42 BPM, and as you gain confidence, approach the song's BPM of 86. Given the song's key of Ab Minor, adjust the capo to align with your vocal range and chord preference.