It's just like any other party in Canterlot, except this time Frederic is a guest rather than a member of the ensemble.
With the evening to himself it may finally be his chance to confess his true feelings to the mare he has long held feelings for but if he can't work up the nerve he may miss out forever.
Cover image by StarryOak on DeviantArt
Featured on Equestria Daily http://www.equestriadaily.com/2012/04/story-ill-sweep-you-off-your-hooves.html