Let's start jamming Dżem - Do Kołyski chords, Practice these chords sequence - Em, A, Bm, Em, Bm, G, Bm, A, G, A and D. To build a solid grasp, start slowly at 30 BPM and then match the original tempo of 60 BPM. With the song's key of B Minor, set your capo to fit your vocal range and chord choice.