For me the show fell short of expectations. Yes it may be a temporary show, but there are some glaring issues with the show that could have been avoided.
We have heard for decades from Imagineers that everything they do at Disney starts with a story. So what happened here? There is absolutely no story, other than trying to leverage nostalgia. The show is a collection of very short segments of past Epcot music, with none playing long enough to be effective. Just as the show starts to feel cohesive, it moves to something else. I don't know who the show is meant for. Real Epcot fans are unlikely to be impressed, and guests not familiar with old Epcot will be wondering what the heck is going on with the music. And for a show that is so baked into Epcot nostalgia, to suddenly switch to Aladdin just makes no sense.... until you understand that currently EVERYTHING must contain a movie IP.
The pyro design, which is normally a strength of all Disney's shows, felt lacking. The music didn't help. Unlike RoE, the music didn't have natural firework sync points, which resulted in a lot of the pyro design just being generic bangs. Very little of the precision sync and choreography that we got with Eric Tucker's RoE and Wishes designs. The only part that felt right was the Tapestry of Nations section - but it was sadly short.
The show felt small in scale and was lost in the lagoon. A lot of the pyro was angled in towards the center of the lagoon, which made it feel even smaller. Even the lighting and laser design felt very basic and generic - like it was just cycling through various modes. The torches and building outlines were almost being used randomly with no reason for their use other than they happened to be available.
Jetski driven kites were interesting and added at least something new, but I feel they would be more effective when combined with other show elements, and not being left as the main focus during those sections. Again during the kite sections, the lagoon looked very dark and empty.
The kids voices just sound very wrong for an Epcot show. The preshow announcements are horrible.
Disney often competes in the American Pyrotechnic Association events, where various companies do one-off shows for demonstrations. To me, this felt very much like one of those. Now those events are fine for one-offs, and are impressive in that context. But for a show that will play nightly for months, if not a year, I feel they could have done much better. Fingers crossed for HarmonioUS. Hopefully drones and new set pieces can save the lagoon show.