To learn Błażej Król - Szczenię chords, your first step should be understanding these chords - Bbm, Ebm, Bbm, B, Gb, B, Db and Ebm in sequence. A good strategy is to initiate at 58 BPM and then accelerate to the track's regular speed of 116 BPM. Considering your vocal pitch and chord choices, adjust the capo in accordance with the key: Db Major.