TL;DRYouTube has introduced a new Labs initiative that grants early access to experimental features.The first YouTube Labs experiment is a set of “AI music hosts” for YouTube Music.YouTube says Labs is open to a “limited number of US-based participants.”YouTube’s got a new way for you to try experimental functionality early. In keeping with Google’s programs like Search Labs, the streaming platform has announced an initiative it’s calling YouTube Labs, an opt-in program that’ll let you play around with new functionality before it’s generally available. You can sign up for Labs now — and its first experiment is already underway.In a short blog post, YouTube laid out the new program. YouTube Labs is “dedicated to exploring the potential of AI on YouTube,” and is accepting a “limited number” of US users to get the ball rolling. These new Labs experiments aren’t only about video: the first one is actually for YouTube Music.