Let's start jamming Lamb Of God - Requiem chords, Practice these chords sequence - Ab, D, Eb, Gb, D, Ebm, D, Eb, F, Gb, D, Ab, D and Gb. A strategic approach would be to train at 82 BPM initially, and then accelerate to the song's tempo of 165. Adapt the capo setting considering your vocal range, with reference to the key: D Minor.