Mark Hoppus in the Studio

Mark Hoppus released a video of himself recording for new sideproject: 10HRSattheMACHINE.

He stated on his Twitter account that it is not related to Blink-182, nor is it a solo project.

"It's something I'm doing with friends while Tom finishes his album. Then blink-182!!"

You can check the video out here here.