Complex sentence: In 1999, following the reformation of All About Eve, renewed interest in the band saw a very limited (500 copies) re-release of the album, nearly all of which were sold at All About Eve gigs during their Fairy Light Nights period.
Split into simpler sentences: In 1999, following the reformation of All About Eve, renewed interest in the band saw a re-release of the album in an extremely-limited pressing of 500 copies. Nearly all of them were sold at All About Eve gigs during their Fairy Light Nights period.