As Spaethling notes, the rhyme also appears in Mozarts canon Bona nox. The only flaw with this view is the evidence of Rubinsteins first two Chopin records (on volume 2. Thus he struggled on, he startled the musical world as an infant prodigy, playing the clavier and composing little pieces before he was five. As Spaethling notes, the rhyme also appears in Mozarts canon Bona nox. Kelley amp; Jose Iglesias.