To learn Rocko - Loses chords, these are the chords to practise in sequence: D, E, C, G, D, G, Gm, D, Em, C and Gm. A good strategy is to initiate at 75 BPM and then accelerate to the track's regular speed of 150 BPM. With the song's key of G Major, set your capo to fit your vocal range and chord choice.