Although the OP reported it was "fixed" because his computer was "just tripping" (which is what computers like to do sometimes,) I wanted to post what I found when I had this problem: When I experienced this, my browser was at the full extent of my monitor, but was not "maximized."  By that I mean that the maximize button in the upper-right corner of the browser was a square, not two squares.   I could also see the song progress bar sliding across the very bottom of the browser window as the song played. As soon as I clicked the maximize button, my normal Pandora controls showed back up on the bottom of the browser where they normally are.   So, if anyone else experiences this issue, try resizing your browser window even just a little bit.  That will cause the webpage to readjust everything and your controls should reappear.   ... View more