Learn the basic chords of Gus - (Ft. Marine Barnérias) Rosy chords, with this master sequence: Gm, Dm, A, Dm, C, Dm, F, Bb, F and C. Ease into the song by practicing at 45 BPM before reaching the track's full tempo of 90 BPM. Given the song's key of F Major, adjust the capo to align with your vocal range and chord preference.