Chopin's Bb minor Nocturne (Night Piece) requires a player to use a full arm rotation to fluidly play the arpeggios in the left hand that span over an octave. These broken chords which fill a large space by their expansion, create a Romantic underpinning for the molto cantabile heart-rending melody in the treble. If the… Continue reading The Chopin Bb minor Nocturne, Op. 9, No. 1, and arm/hand rotation/phrasing (Video)