To jam and learn Dayan - Hamin Harfa chords, your primary focus should be mastering these chords sequence: B, E, F#, E, F#, B, E and B. I suggest starting at a calm pace of 70 BPM, and as you gain confidence, approach the song's BPM of 140. Considering the song's key of B Major, position your capo to suit your vocal and chord preferences.