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The Manic Street Preachers' Journal for Plague Lovers is one of the most explicit UK albums ever according to Amazon.

The 2009 album - the ninth by the Manics - contains 13 songs of which seven have been specifically labelled as containing adult content according to the online retailer.

This means that 54% of the album's songs were not safe for work, the tenth highest proportion out of over 1,500 albums by UK musicians.

The analysis incorporated over 28,000 songs from 225 artists and recorded whether or not a song was labelled as being explicit on Amazon's mp3 store.

On average only 4% of songs were found to be so with 162 of the artists included having no explicit content in any of their songs according to Amazon.

The pool of artists included in the study was drawn from those successful in the UK charts and - due to the fact that explicit songs are less likely to be played on the radio - the results will have been affected because of this.

Three albums by UK acts were entirely explicit.

They were Sounds of the Universe by Depeche Mode, The Bumpy Johnson Album by the Prodigy and Frisky by Tinie Tempah.

It will come as no surprise to find that rappers tended to have a far higher proportion of explicit songs than artists of other styles and genres.

Canadian rapper Drake was the most explicit artist included in the study with Amazon labelling 88& of his 59 available tracks as being not safe for work.

US female rappers Iggy Azalea and Nicki Minaj came second and third with 83% and 75% explicit songs respectively.

The most explicit UK act in the study was London rapper Professor Green.

Of the 44 songs by Pro Green available to purchase on Amazon 23 of them are labelled as containing adult themes.

The 10 most explicit British albums in the study were:

Depeche Mode 's Sounds Of The Universe - 100%

The Prodigy's The Bumpy Johnson Album - 100%

Tinie Tempah's Frisky - 100%

Dizzee Rascal's The Fifth - 92%

Plan B's Ill Manors - 91%

M.I.A.'s Matangi - 87%

Professor Green's At Your Inconvenience - 73%

Lily Allen's Not Fair - 60%

Lily Allen's Sezus - 57%

Manic Street Preachers' Journal For Plague Lovers - 54%

The ten most explicit acts in the study were:

Drake - 88%

Iggy Azalea - 83%

Nicki Minaj - 75%

Eminem - 68%

Kanye West - 67%

Rik Mayall - 61%

Professor Green - 52%

Jay-Z - 51%

Pharrell Williams - 43%

Tinie Tempah - 43%