Brown note

You attempt to serenade any clothed enemy you can see within range. It must make a Wisdom saving throw, If it fails the saving throw, it is Overcome with the intense urge to defecate. Enemies will become encumbered, running half of their original speed for 5 rounds.

At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, you can target one additional creature for each slot level above 1st. The creatures must be within 30 feet of each other when you target them.