This shot was when Twilight had just left the Equestria Girls world and the other students are waving her off. The base of the statue has a slit in it which Twilight crawls through to represent her going through the portal.
More information on the musical can be found here: http://www.mylittleponymusical.com/
I am planning to upload some of the audio recording I have later. That one was more salvageable.