quodlibet

A theological or philosophical issue presented for formal argument or disputation.

Formal disputation of such an issue.

A usually humorous medley.

A scholastic argumentation upon a subject chosen at will, but almost always theological.

In music: A fantasia or potpourri.

A fanciful or humorous harmonic combination of two or more well-known melodies: sometimes equivalent to a Dutch concert.

A nice point; a subtilty; a debatable point.

A medley improvised by several performers.

A form of music with melodies in counterpoint.