PM UPDATE: AOL For Sale, Facebook Music, Sonos, ReverbNation, Cerda To VEVO, Rightsflow+Rhapsody

Faced with a falling stock price and speculation that the company is a takeover target, AOL has huddled with bankers to discuss options including taking the company private.

• CNBC is confirming what we wrote last week, Facebook Music will launch Sept 22 with multiple partners.

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• Sonos says that as of today their streaming music in 1 million rooms worldwide.
• ReverbNation has joined forces with snackmaker Popchips and Spin Magazine to sponsor "pop up concerts" in major cities with select acts featured on the Spin stage at SXSW.
• Former Myspace VP Michael Cerda is now SVP of Product Development at VEVO.
• RightsFlow has expanded its bulk licensing relationship with Rhapsody to include royalty accounting and payment support.