My attention span is not too long — I blame TikTok. After a taxing day of classes and schoolwork, "Modern Family" or "How I Met Your Mother" are my go-to choices for winding down. Movies require too much brainpower for me, and I usually need to be in a specific mood to watch them — or so I thought.

Musical theatre actors are often forced into classes along the lines of “acting the song.” They choose a piece that shows off their highest range, something like the modern classic “Defying Gravity”...