or move around through the reference pages to get to the above page, then almost every time the music from Pandora in another tab will start breaking up until I leave the offending reference page or close the help tab. Then Pandora will resume working correctly.
I've got the following plugins: NoScript, FireBug, DownloadHelper, and I've allowed scripts for the adobe.com website for NoScript.
I've never had a problem before with these 2 tabs being open side-by-side. I've only noticed it after upgrading yesterday to Firefox 19.