Get out your leather jackets and pull on your bobby socks with Rydell High’s senior class of 1959. Sierra Rep invites you to celebrate the beginning of this holiday season with “Grease,” the musical. “Grease” follows love-struck bad-boy Danny and girl-next-door Sandy in a thrilling injection of pure fun with astounding dancing and amazing songs. It’s the beloved rock n’ roll celebration of teen angst, fast cars, and first loves all set in the fabulous fifties.