Final answer:
The band Phish was formed at the University of Vermont in 1983.
Step-by-step explanation:
The subject of this question is Social Studies, as it asks about the band Phish and its formation. Phish is not a mathematical or scientific concept, nor does it pertain to language, health, arts, or other subjects. The question is suitable for high school level, as it asks for factual information about the band's formation.