High School Musical is the soundtrack of the
Disney Channel Original Movie of the
same name. Recorded in five days, it was released on 10 January 2006, and became the best selling album of that year, having sold more than 3.7 million copies in the US and 7 million copies worldwide. As of January 2016, the album has sold 5,000,000 copies in the US, making it the best-selling TV soundtrack since 1991 when
Nielsen SoundScan started tracking music sales.