To learn Mohsen Namjoo - Toranj chords, these are the chords to practise in sequence: G, Bb, Dm, C, Gm, A, Am, D, C, G, Bb and A. I suggest starting at a calm pace of 51 BPM, and as you gain confidence, approach the song's BPM of 102. Considering your vocal pitch and chord choices, adjust the capo in accordance with the key: D Minor.