Rihanna's ANTI is her 'magnum opus.'
The 31-year-old singer took three years to create her 2016 album and the star's vocal producer Kuk Harrell believes it is her best work to date, calling it a 'game-changer.'
'ANTI is absolutely her magnum opus - it was a game-changer,' he told Billboard. 'I think [the album] made everybody get back to a point where they took their craft seriously as opposed to the cookie-cutter rhythmic stuff.
Bravo: Rihanna's 'ANTI' is her 'magnum opus'. The 31-year-old singer took three years to create her 2016 album and the star's vocal producer Kuk Harrell believes it is her best work to date
'They didn't just jump in the studio, put four bars together and sing a hook over it. In this album, you can hear that we focused a lot on detail,' he added.
Kuk first worked with Rihanna on her 2007 single Umbrella, which he co-wrote with his cousin Tricky Stewart [founder of Atlanta's music production company RedZone Entertainment] and The-Dream and he believes ANTI showed fans who Rihanna is an artist.
He said: 'Rihanna has always known who she as an artist, but with ANTI she developed more of what she wanted her music to convey.
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'For this, she drilled down in making sure she made the right calls