"Been looking forward to this collab for some time," wrote Eminem on Instagram. No, he wasn't talking about his duet with Beyoncé: he was announcing a collaboration with M&M's to release 'Em&M's' white chocolate candy branded with the hip-hop star's signature backwards E logo.

Of course, he did make the "announcement" on April 1. (Billboard)

SZA and Missy Elliott to collaborate?

Speaking of collaborations, could Missy Elliott and SZA team up sometime soon? In response to a fan tweet suggesting the collaboration, SZA called it "a dangerous dream I only dreamt in me dreams" and Missy wrote, "sounds like a SCORCHER BANGA to me!" (Billboard)

If the tweets did lead to an actual collaboration, it would be far less strange than the time that mutually admiring tweets between Car Seat Headrest and Smash Mouth resulted in reciprocal cover versions.

Linkin Park selling "controversial" keytar

Linkin Park are selling over 200 instruments, with the proceeds going to support natural disaster relief. Among the instruments that will go on sale Wednesday via Reverb.com are guitars, keyboards, samplers, a megaphone, a Theremin the band's Mike Shinoda played at the 2010 MTV Video Music Awards, and an instrument Rolling Stone describes as a "controversial keytar" that fans didn't love when it was featured in the video for "What I've Done" (2007).

Jack's at number one

Last week, rapper XXXTentacion topped the Billboard 200 thanks to 159 million streaming plays. This week, tracks from Jack White’s new album Boarding House Reach were only played 4.2 million times — but White has bumped XXXTenacion from the top of the chart on the strength of 27,000 vinyl LPs sold in a single week — as well as concert-ticket album bundling, a sales technique that's becoming a standby for veteran stars. (New York Times)

JAY-Z talks about Snoop Dogg, Eminem

Bringing today's music news roundup full circle, JAY-Z praises Eminem's cadence in a clip from his forthcoming appearance on David Letterman’s Netflix show My Next Guest Needs No Introduction. In the clip from the full episode, which will land on the streaming service this Friday, JAY-Z also says that Snoop Dogg’s voice is so good, he could just count and he would sound great. (Pitchfork)