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Metallica‘s Kirk Hammett will release his solo debut project, called Portals, on April 23rd. The EP features four instrumental songs, which will be available across digital platforms, on CD, and as a Record Store Day Exclusive Ocean Blue Vinyl EP, which includes a download card.

Portals was recorded in multiple locales ranging from Los Angeles to Paris to Oahu.

Hammett said, “This music was created with what I describe as an Audio-Cinematic approach. They’re soundtracks to the movies in your mind.”