I attended this show last year (at the orchestra) and besides the lack of live music this time (and different stars) it was the same show. The Dancing with the Stars professionals barely danced, they mostly interacted with the audience. The bulk of the dancing was done by the other ballroom dancers, and a few dances featured the SYTYCD dancers.
I was much more impressed with the first show than this one. The dancing didn't seem as well rehearsed as it could have been (some sloppy moments). The singers were great, but overall, the show was a little disappointing.