To start learning Martin Smith - 그때의 온도 chords, centre your learning around these elemetal chords sequence: Em, D, G, A, Bm, G, Em, A, D and Bm. To build a solid grasp, start slowly at 45 BPM and then match the original tempo of 90 BPM. Given the song's key of D Minor, adjust the capo to align with your vocal range and chord preference.