Whitney Houston Dominates iTunes Charts

Whitney Houston - Greatest Hits 2000 H

Within hours of the singer's death, her 2000 "Greatest Hits" album overthrows Adele's "21" on Grammy weekend; Houston also has 43 of the 100 most-downloaded tracks.

News of Whitney Houston's death Saturday at age 48 fueled an almost instantaneous reaction with music downloads.

Her 2000 compilation, Whitney: The Greatest Hits, climbed to No. 2 for several hours before ultimately overthrowing Adele's Grammy-nominated 21 for the top spot on the eve of the awards. The Houston-fueled soundtrack to her 1992 film The Bodyguard, which spent 20 weeks at No. 1 on the Billboard album chart, also was in the top 10. Seven other Houston sets were among the top 50.

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By Sunday afternoon, 43 of the top 100 most-downloaded tracks on iTunes were Houston songs, including the iconic "I Will Always Love You" from The Bodyguard at No. 1. Two other Houston classics, "I Wanna Dance With Somebody (Who Loves Me)" and "Greatest Love of All," were in the top 10.

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The two-disc "Greatest Hits" album is broken down thematically. The first, "Cool Down," features some of Houston's most famous ballads, from 1985's "You Give Good Love" all the way up to original tracks for the "best of," featuring duets with Deborah Cox and Enrique Iglesias. The second, "Throw Down," highlights Houston's more dance-infused music and remixed tracks. The album was certified triple platinum in the U.S. and boasts worldwide sales of more than 10 million copies. Bodyguard has sold more than 15 million copies in the U.S.

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It's estimated that Houston, who released seven studio discs from 1985 to 2009, has sold more than 170 million albums, singles and music videos worldwide.