To learn Berthe Sylva - (Les années Odéon) Frou-Frou chords, begin by getting comfortable with these sequence: Bb, F, Bb, Gm, F, Gm, Eb, A, F, Cm and Bb. Start slow with ChordU's Free Tempo controller and increase your speed as you get comfortable. Fine-tune the capo based on your vocal range, ensuring it complements the key of Bb Major.