Barbara's School of Dance Recital "Sweet Treats". A special 2 disc set. 1- basic DVD video disc and 1-HIGH DEFINITION MP4 DIGITAL COPY DISC to load and play on your computer, smart phone and table. Sync with iTunes and play on your iPhone and iPad. Stream to an Apple TV or Big Screen LCD screen. MP4 digital file. Data File size estimated at 3 to 4 GB. Delivered as a DVD-R data disc.