'06 Album sales in brief -- Five things you didn't know about last year's Billboard charts

‘HIGH SCHOOL MUSICAL’ The companion CD to Disney’s TV movie moved 3.7 million copies and was the year’s top seller. The last soundtrack to claim that feat? No shock here: Titanic in 1998.

JOHNNY CASH The Man in Black still has a devoted fan base: He was the year’s second-best-selling artist. His entire catalog — including one set of new music and a fistful of compilations — sold 4.8 million copies in ’06.

HIP-HOP Not even Jay-Z (whose big ”comeback” album, Kingdom Come, sold one-million-plus units) could salvage a dismal year for rap. The genre’s sales saw a 20 percent year-to-year slip.

COUNTRY It’s no longer playing second fiddle to pop, boasting 5 of the year’s 10 best-selling artists — including Tim McGraw (No. 6) and Keith Urban (No. 9).

DANIEL POWTER A case study: His ubiquitous ”Bad Day” was the No. 1 digital song of 2006, with more than 2 million downloads. (Thanks, Idol!) On the flip side, Powter’s CD has yet to go platinum. Aha! So that’s why Tower Records went kaput.

High School Musical
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