To learn Rainer Scheurenbrand - Aguila chords, grasp the musical fabric of the song with this sequence - Em, C, Em, C, G, Em, F, G, Em, G and C of chords. To build a solid grasp, start slowly at 74 BPM and then match the original tempo of 148 BPM. With C Major as the song's key, tweak the capo to cater to your vocal pitch and chord likes.