To learn Jack Garratt - Water chords, grasp the musical fabric of the song with this sequence - Em, Am, C, Am, C, F, G and Em of chords. I suggest starting at a calm pace of 68 BPM, and as you gain confidence, approach the song's BPM of 136. Align the capo with your vocal depth and chord choice, bearing in mind the song's original key: C Major.