To jam and learn Rush - (Album Version) Afterimage chords, your primary focus should be mastering these chords sequence: Dm, C, Am, Dm, F, Am, Em, G, C and Dm. To build a solid grasp, start slowly at 38 BPM and then match the original tempo of 76 BPM. Considering your vocal pitch and chord choices, adjust the capo in accordance with the key: C Major.