Police are investigating after thieves waltzed off with “irreplaceable” sets and Group of Seven backdrops for a touring production of “The Nutcracker” early Monday morning.

Ballet Jorgën , which had just started performances of its beloved holiday production, said a rental truck transporting the scenery was stolen from a lot in Etobicoke around 2:30 a.m.

“This is devastating for us because these sets are very specific and extremely hard to replace,” said Bengt Jörgen, the artistic director and CEO of Ballet Jörgen, in a phone interview with the Star. “Unless we can find the sets, it’s going to severely impact the quality of the production.”

The company said the stolen vehicle is a white, 26-foot Penske truck with the Ontario licence plate CD50229. When the theft occurred, it was parked

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