Led Zeppelin IV has re-entered the US charts for the first time since 1987.
With sales last week of around 3,600 copies, the classic 1971 album is No.166 in the Billboard 200, having previously spent 260 weeks on the chart.
The resurgence is due to the albums 40th anniversaryand the low price: its just $5.99 at Amazon and a mere $6.99 at iTunes.
Zep IV akaFour Symbols is the third best-selling album of all time in the US, with cumulative sales of more than 23 million.
Michael JacksonsThriller is No.1, followed byThe Eagles Greatest Hits 1971-1975.