It took three weeks for the dancing sequences to be done. The soundtrack however was done in a week. The rest of the filming was done in three more weeks.
More from High School Musical 2
Trivia During dance rehearsals the entire cast sat down, one behind the other to massage their sore shoulders and backs. When Kenny Ortega noticed this he asked them to lay down at once, sit up at once, then lean to both sides one by one. This became the "roller coaster" seen in "What Time Is It?".
Trivia Zac Efron commuted from Toronto where he was filming Hairspray to record the soundtrack. That is why his hair seems darker than normal in the promo commercials.
Trivia In one scene when Gabriella waves at Troy from the pool, Troy responds with a modified "wink-and-click" gesture. It was his trademark as Link Larkin from Hairspray.
High School Musical 2
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