Passage: On the eve of the Japanese and Australian leg of the Farewell Tour on January 31, 2001, Criss suddenly left the band once again, because he and the band could not come to agreement with his contract salary. Taking his place was previous Kiss drummer Singer who, in a move that was controversial among longtime fans, assumed Criss' Cat persona as the Farewell Tour continued.With the band supposedly set to retire by early 2001, a career-encompassing collection entitled simply The Box Set, consisting of 94 tracks on five CDs, was released in November of that year, while the summer saw perhaps the most outrageous item of Kiss merchandise yet – the Kiss Kasket. In introducing the Kiss Kasket, Simmons quipped, "I love livin', but this makes the alternative look pretty damn good."On December 4, 2001, Kiss was one of the honorees at the National Academy of Recording Arts and Sciences ("The Recording Academy") Heroes Award ceremony, at the NARAS New York Chapter. NARAS has 12 chapters throughout the United States, hence 12 ceremonies throughout the year, with the honorees each being honored by the chapter closest to their residence. By receiving this honor, which NARAS has renamed the "Recording Academy Honors", Kiss effectively received NARAS' second-highest career honor, right behind the Lifetime Achievement Grammy Award.Kiss was relatively quiet through the rest of the year, but 2002 started with some controversy as Simmons took part in a controversial interview on National Public Radio with host Terry Gross. In February 2002, Kiss (with Singer on drums and Frehley on lead guitar) performed during the closing ceremony of the 2002 Winter Olympics in Salt Lake City, Utah. This was Frehley's final performance as a member of Kiss.On March 6, 2002, Kiss performed a private concert at a resort in Trelawny, Jamaica. Frehley, who was no longer under contract, did not perform with the group. He was replaced by Thayer, who donned Frehley's Spaceman makeup and costume for his first live appearance with Kiss. That month, the...

Question: What year did Criss leave?
2001