First official weekly vinyl chart established as annual sales reach 10 . Gallagher also claims most successful album of last 20 years on format . Classic releases by Led Zeppelin , Pink Floyd and Bowie are also in top 2 million .
First official weekly vinyl chart established as annual sales reach 2 million . Gallagher also claims most successful album of last 20 years on format . Classic releases by Led Zeppelin , Pink Floyd and Bowie are also in top 10 .