To jam and learn Conan Gray - Heather chords, your primary focus should be mastering these chords sequence: D, F#m, Bm, G, Gm, D, G and D. To master the tempo, it's wise to start at 39 BPM before aiming for the song's 78 BPM. With the song's key of D Major, set your capo to fit your vocal range and chord choice.