Remus Lupin has a brief but passionate love affair with a cello, which in turn reminds him of a boy he used to know...or thought he knew. RLSB slash, if you squint.

A combination of Muggle comics and the Black family wine collection gives Harry a revelation and catharsis regarding his godfather and his favorite werewolf. Disclaimer: Josh Groban belongs to himself, the Sandman to Neil Gaiman, and the rest to JKR.