To jam and learn Gerbang Kertasusila - Blackstar Paijo chords, your primary focus should be mastering these chords sequence: Em, Am, Em, Am and C. A good strategy is to initiate at 50 BPM and then accelerate to the track's regular speed of 100 BPM. With E Minor as the song's key, tweak the capo to cater to your vocal pitch and chord likes.