Posted Saturday, June 6, 2026 9:00 am It is a greater symbol of that pivotal moment that changes things for us,” said Martinez. “In a world where a lot of people are being told they don't belong, to put a story about a 15-year-old Puerto Rican girl on the stage that says we all belong is, to me, timely and important.” For composer and lyricist Alba Martínez, 'La Guagua 47' is more than a new musical. It's a love letter to Philadelphia, a reflection of her own journey, and a story about belonging.