HSM2 meaning in Community ?

High School Musical 2 is a 2007 American musical television film, distributed by Disney-ABC Domestic Television for the Disney Channel. It is the sequel to High School Musical (2006), and the second installment in the High School Musical franchise. The film was directed by Kenny Ortega, written by Peter Barsocchini, and stars Zac Efron, Vanessa Hudgens, Ashley Tisdale, Lucas Grabeel, Corbin Bleu, and Monique Coleman. In High School Musical 2, Troy, Gabriella, and the Wildcats find work at a country club, but tensions rise when Sharpay recruits Troy for a talent show performance.

High School Musical 2 retained Utah as a central filming location with a return to East High School, while Entrada at Snow Canyon Country Club was adopted as the Evans' country club. Additional scenes were filmed in Los Angeles.

Upon the film's release on August 17, 2007, it broke a plethora of viewership records as it became the most commercially successful Disney Channel Original Movie (DCOM) ever produced. In the U.S., High School Musical 2 generated 17 million viewers in its premiere broadcast, smashing the record of its predecessor by over ten million, while the figure remains the highest the network has ever produced. It also ranked as the highest-rated basic cable telecast at the time.

The film's soundtrack also enjoyed widespread success; it was certified double platinum in its first week as it debuted at number one in the United States. Additionally, its lead single, "What Time Is It?", reached number six on the Billboard Hot 100. The film and soundtrack received generally positive reviews from critics and audiences, with many considering it better than the first film.

A sequel, High School Musical 3: Senior Year, was released theatrically in 2008.