To jam and learn the simple chords for Pentakill - Aftershock chords, practice playing B, E, B, F, E, C, E, Ab, Am, B, C and A in sequence. Start with a comfortable 70 BPM and as you become proficient, aim for the song's BPM of 140. Adapt the capo setting considering your vocal range, with reference to the key: Db Minor.