Buena Vista Social Club, the musical telling the story behind the landmark Afro-Cuban jazz album of the same name, begins performances at Broadway's Gerald Schoenfeld Theatre on February 21. The official opening is set for March 19. The show features a book by Marco Ramirez and choreography by Justin Peck and Patricia Delgado. Saheem Ali directs. Step into the heart of Cuba, beyond the glitz of the Tropicana, to a …