To jam and learn the simple chords for Harpyie - Seemann Ahoi chords, practice playing C, Bb, C, D, Bb, A, Dm and Bb in sequence. I suggest starting at a calm pace of 85 BPM, and as you gain confidence, approach the song's BPM of 170. With D Minor as the song's key, tweak the capo to cater to your vocal pitch and chord likes.