Just in time for Metallica's headlining appearance at Outside Lands on Saturday, we have a "Carpool Karaoke" trailer from the new Apple Music series — this one featuring Billy Eichner as "host" in place of James Cordon — with the whole band singing along to their own stuff as well as Rihanna's "Diamonds," and "Part of Your World" from Disney's Little Mermaid.

The Apple Music series, a spinoff of Cordon's popular Late Late Show segment, will be premiering new episodes weekly, on Tuesdays.

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