Let's start jamming Ruel - Painkiller chords, familiarize yourself with these chords - Am, C, Bb, C, F, Bb, F, C and Am in sequence. For a smooth transition, initiate your practice at 64 BPM and gradually match the song's pace of 129 BPM. Adjust the capo based on your vocal range and chord preference, keeping the song's key of F Major in mind.