• by Gavin O'Malley , Staff Writer @mp_gavin, September 22, 2011

Likely to shake the Facebook user-experience to its core, a company employee just revealed new details surrounding the social network's about-to-debut Music service.

Calling it the service's "killer feature," TechCrunch was one of the first to pick up on this "Listen with your friend" feature. As Ji Lee, creative director at Facebook, explained in a tweet on Wednesday, the feature will let users: "Listen to what your friends are listening [to]. LIVE."

"Not only will all music you're listening to appear in the just-launched right-side ticker, there will be a link to ‘Listen with your friend', that when clicked, will allow you to listen along to the same song at the same time," TechCruch explains. "We hope this idea is on the right track -- because it would give the much disliked new right-side ticker a purpose other than to rile up Facebook users," notes Msnbc.com's Technolog.

"While speculation has long pointed to Facebook Music automatically sharing what people are listening to (just as Last.fm does), this is the first time we've heard about any feature that would allow users to easily listen to tunes with each other, live -- something that's sure to draw many to the service," writes DigitalTrends.com

Bigger picture, "A move to put a social skin around media consumption is part of Facebook's attempt to achieve an even 'stickier' user experience," explains Computerworld's Jonny Evans.

Meanwhile, "Facebook apparently continues to tweak its new music service, even as f8′s launch approaches," Slashgear reports. "The persistent music control bar, mentioned in initial leaks, has apparently been axed in favor of each app having its own controls."