No longer pipe, no longer dance.

When the music ends, the dancing ends with it. The proverb presents an activity as dependent on the thing that enables or prompts it.

More broadly, it suggests that people should not expect a response or effort to continue after the support sustaining it has been withdrawn.

Use it when someone expects an activity to continue despite removing what made it possible or worthwhile. It can serve as a concise, pointed reply to that expectation.