Van Halen's former singer Sammy Hagar is jumping in as vocalist for Tool

Tool have taken to their official Facebook page to announce Sammy Hagar, the Van Halen frontman from 1985-1996, is standing in as their vocalist temporarily. They hope Hagar will help move things forward "in what seems to be an endless music writing process."

Conveneintly timed around April Fools... That's right. They gotcha. 

Check out their April Fool's post below: