his letter of 15 May 1830 revealed that the slow movement (Larghetto) of his Piano Concerto No. 1 (in E minor) was secretly dedicated to her – "It should be like dreaming in beautiful springtime – by moonlight.
What musical piece had a Larghetto dedicated to the female singing student Chopin was infatuated with?
Piano Concerto No. 1 (in E minor)