The explosion of demand for David Bowie's music in the wake of his demise just keeps gathering force. The late rock icon currently has four albums, four singles and six videos on the corresponding iTunes Top 10s.

His Columbia swan song, Blackstar, remains the #1 album, while Best of Bowie sits at #2, Ziggy Stardust holds #4 and Hunky Dory is #7. 15 Bowie albums dot the Top 30, with The Platinum Collection, The Best of David Bowie 1969/74, Let's Dance, Low, Aladdin Sane, Heroes and Young Americans crowding the Top 20. Rhino is the outlet for pre-Columbia catalog.

Blackstar is on track to be the #1-selling album on this week's HITS sales chart, and it just keeps growing.

On the singles chart, "Space Oddity" floats at #3, "Changes" hovers at #8 and "Let's Dance" and the Queen collab "Under Pressure" round out the Top 10. "Lazarus" abides at #17, and a brace of classic tunes are now in the 30s and below and pushing their way up.

The "Let's Dance" vid is #2, followed by "The World Falls Down," "Dancing in the Street" (with Mick Jagger) and "Modern Love" in the #3-5 spots, "Space Oddity" (#7) and "China Girl" (#8). Plenty of other Bowie clips swirl around the Top 30.