To learn Miró - En Un Segundo chords, your first step should be understanding these chords - A, Bm, F#m, D, A, Bm, D, Bm, F# and D in sequence. You can use ChordU's Free Tempo controller to start at a slower pace and then gradually increase your speed. Considering your vocal pitch and chord choices, adjust the capo in accordance with the key: D Major.