Eminem has debuted a new song.

The rapper premiered the track 'Phenomenal' on YouTube overnight.

The song has been made for the upcoming boxing film Southpaw.

Shady Records president Paul Rosenberg commented about the movie tie-in:

"We have been involved in developing Southpaw since its inception, and Eminem has dedicated himself to ensuring that this film captured his passion for the project through his music.

"We've assembled a great soundtrack to accompany what's sure to be one of the finest boxing films ever."

Southpaw, which features Jake Gyllenhaal and Rita Ora, will be released on July 24.

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Listen to Eminem's new song below: