Ten years on Broadway is a verrrry long time, and Mamma Mia! is set to hit that impressive milestone on October 18 at the Winter Garden Theatre. To celebrate, the production put together an eight-minute video scrapbook covering the musical’s first decade, including footage of original stars Louise Pitre, Judy Kaye and Karen Mason, plus interviews with the all-female creative team (producer Judy Craymer, writer Catherine Johnson and director Phyllida Lloyd) and ABBA’s Benny Andersson and Bjorn Ulvaeus. Click on and enjoy, then get tickets to see Mamma Mia! for the first (or fifth) time.