The multi-instrumentalist found himself in the unusual position of seeing his second album replaced at the top by his first.
The band's high-profile third album, 'Surrender' featured vocals from Noel Gallagher, Mercury Rev's Jonathan Donahue, and Mazzy Star's Hope Sandoval.
Since this landmark debut, Harper has since released over 20 studio and live albums, including collaborations with Charlie Musselwhite, Mavis Staples and The Blind Boys of Alabama.
The albums' new editions include bonus discs featuring live and previously unreleased studio recordings.
The band's 40th anniversary and will be celebrated with a career box set and brand new greatest hits collection, 'Souvenir', on 4 October.
The special box set will comprise of 5 CDs and 2 DVDs housed in a 10” box set, together with a hardback book, poster and a series of 10” prints.
Coinciding with their 50th anniversary, it's curated by former member Steve Hillage and has the full involvement of original band members.
The releases are timed to coincide with the second run of Jackson’s 'Metamorphosis' residency in Las Vegas.
It was a tale involving an American hit that Oldfield didn’t approve of, a hit horror film, a complete rearrangement and Richard Branson’s sister.
The acclaimed singer-songwriter is also embarking on a full-scale UK tour throughout November and December.
Fans can tune into the band's official Facebook page for the livestream, which is set to begin at 8.50pm tonight.
The new, soft back edition has a bonus extras section which contains an additional 100 stories from OMD fans not included in the hardback version.
The London band's new album is described as a record “that celebrates real human connections and urges us to keep searching for moments of elation.”
A new artist and a new record label were on people's lips in May 1973.
The track will also feature on the star's third album, 'Real Life', which is set for release on 7 June.