Snape finds himself on the wrong end of a jinx that causes him to randomly burst into song. Winner of the Tumblr Prompts Contest by hpfanfictionprompts (Prompt 214).

Who would have thought that one little vision and a few tea leaves could change everything? Certainly not Rose, but after an incident that may have been a glimpse into the future she sees Scorpius in a new light. Could she be a seer or just insane?

It was like a wizard tale. The clever Slytherin helps a hag who later repays the debt. Except that Rose Weasley wasn't a hag, and Scorpius didn't expect to call in the favour.