Shackled Chords by 1814

Let's start jamming 1814 - Shackled chords, familiarize yourself with these chords - Ab, Bbm, Ab, Bbm and Bbm in sequence. For best results, commence at 78 BPM and progress to the song's BPM of 156. For a balanced pitch, adjust the capo with respect to your voice and the song's key: Ab Major.