To learn Ricus Nel - Ouskool - Boerseun chords, begin by getting comfortable with these sequence: Ab, Eb, Ab, Db, Ab, Eb, Db and Eb. To build a solid grasp, start slowly at 86 BPM and then match the original tempo of 172 BPM. With Ab Major as the song's key, tweak the capo to cater to your vocal pitch and chord likes.