Released worldwide by Coroner Records in digital form and by Media Factory - Radtone Record in physical form within Japan.
The most popular songs off Princess Ghibli I and II in new mixes and versions!
Check out the official press release by Coroner Records:
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サプライズ ヾ(@°▽°@)ノ
プリンセスジブリ III は発売されました!
日本国内リリース:Media Factory - Radtone Record。
国際デジタルリリース:Coroner Records
プリンセスジブリIIIは、前のIとIIのベストアルバムですね。
ファンの間一番人気の曲の新しいRemixとアレンジのコレクションなんです。曲はカッコイイでスッキリした感じだから、是非チェックして下さい!
そして、CoronerさんのHPからのオフィシャル文書とWeb Storeリンクはこちらへ:

"After the success of "Princess Ghibli" and "Princess Ghibli II", Coroner Records is really proud to announce the release of a new album of extreme metal covers of Studio Ghibli songs entitled "Princess Ghibli The Best Selection Revisited".
In this last chapter, to celebrate the Princess Ghibli Saga, Imaginary Flying Machines revisited the most succesful songs of previous albums mixing new electronic and modern elements to the typical metal attitude of the project for a different listening prospective. 12 songs remixed by Ettore Rigotti, Neroargento and SpikeSeven mastered by Alessandro Vanara.
The project called "Imaginary Flying Machines" (from the title of a short film written and directed by Hayao Miyazaki, which is exclusively shown daily at the Ghibli Museum) puts together bands from Europe and Japan (Disarmonia Mundi, Blood Stain Child, Destrage, The Stranded and more) that reinterpret 12 very famous songs taken from the films produced by Studio Ghibli, bringing the soundtracks that have made dream many fans of Miyazaki in a new musical dimension, more aggressive and faster, without ever losing the melody and the magical atmospheres typical of the original versions.
The album has been released on 4 February 2013 Worldwide by Coroner Records (except for Japan, where is released by Media Factory - Radtone Record) in Digital Download on iTunes, Amazon and the most important digital distributors."
More info on how to buy the album (scroll down for links)