September 22, 2011 at 11:30 am

Watch Facebook F8 at 1pm ET; Read About Its Music Plans Now

In what has to be the worst-kept digital music secret of the year, Facebook plans to announce deep integration with a variety of music services that will let people track their friends’ listening activity on Facebook, join them to listen live in some cases, and find their friends on music services outside of Facebook more easily.

You can watch the Facebook F8 keynote in the video window below (updated: Facebook lists two times for this, 12:30pm and 1pm ET), but we already know a fair amount about what Zuckerberg and company plan to announce, music-wise. Here’s a sampling of what we know so far:

You can watch the announcement here or any number of other places:

Watch live streaming video from f8live at livestream.com