To learn Rainer Scheurenbrand - Nana chords, grasp the musical fabric of the song with this sequence - Em, A, D, C#, Bm, Em, A, Bm, Em, E, D, F#m and D of chords. I suggest starting at a calm pace of 47 BPM, and as you gain confidence, approach the song's BPM of 95. For a balanced pitch, adjust the capo with respect to your voice and the song's key: D Major.