To start learning Theunder - Fire chords, delve into these chords sequence to get the song's feel: Fm, F, Bb, Fm, Bb, Db, F and Db. To build a solid grasp, start slowly at 42 BPM and then match the original tempo of 85 BPM. Fine-tune the capo based on your vocal range, ensuring it complements the key of F Minor.