Let's start jamming Insomnium - Inertia chords, familiarize yourself with these chords - D, Dm, F, Dm, C and Dm in sequence. To build a solid grasp, start slowly at 58 BPM and then match the original tempo of 117 BPM. Align the capo with your vocal depth and chord choice, bearing in mind the song's original key: F Major.