meet ayodele casel.ay onto the biggest stages in the world. here she is at new york's joyce theater, performing for an online audience. >> ayodele casel: tap dancing is, to me, a genius musical way of moving one's feet and body. it's expression. it's joy. it's resistance. i think it's magical. >> wertheim: what's it like without an audience? i mean, how does that compare to the real thing? >> casel: well, it doesn't compare to the real thing. (♪ "akhnaten" opera ♪) ♪ ♪ ♪ >> wertheim: next, allow us to introduce anthony roth costanzo. a counter-tenor whose talent is matched by his range, up until the pandemic, he was starring in the metropolitan opera's sold- out production of "akhnaten." >> anthony roth costanzo: i was biking by the met the other day, and i stopped my bike. and i closed my eyes, and i thought, "what does it smell like on that stage? what does it feel like? can you remember?" it is such an incredible feeling, stepping onto the stage of the met, looking out at 3,800 people. >> wertheim: an