(This piece does not currently have its own "hints" video.)
MOZART3: Piano Sonata No. 6 in D Major, K. 284 ("Durnitz"): III. Andante
We are going to use this recording by Daniel Barenboim, from Mozart: Complete Piano Sonatas and Variations (Warner Classics).
It's not at all necessary for this assignment, but if you want to look at the sheet music for this piece it is available on the internet.