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Welcome to TestTube, our ideas incubator. This is where YouTube engineers and developers test out recipes and concoctions that aren't quite fully baked and invite you to tell us how they're coming along.

Your comments will help us improve and perfect the mixtures we're working on. So jump in, play around, and send your feedback directly to the brains behind the scenes.

  • YouTube Music Discovery

    YouTube Music Discovery

    Make playlists and discover new artists and music videos.

    Try it out  |  Feedback?

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