To jam and learn Oonagh - Gäa chords, your primary focus should be mastering these chords sequence: Gm, F, Dm, C, Gm, Cm, Fm, Eb, Bbm and Ab. Set your pace at 43 BPM initially and then sync up with the song's BPM of 87. Considering the song's key of F Major, position your capo to suit your vocal and chord preferences.