To jam and learn Yiannis Vardis - Isos chords, your primary focus should be mastering these chords sequence: G, Am, Em, Am, Em, B, Em and G. Begin your practice at a relaxed 37 BPM, then work your way up to the song's BPM of 74. Given the song's key of E Minor, adjust the capo to align with your vocal range and chord preference.