Our music licenses do not allow us to let you back up the music to replay a specific song.
Oh, and don't try to game the system by repeatedly opening and closing the window, because the following language appears in the EULA:
The Pandora Services utilize technology to protect transmitted digital information. Your use of the Pandora Services may be limited by such technology. You acknowledge that, from time to time, Pandora may modify or discontinue using such technology. Security modifications made by Pandora may from time to time include required or automated updates, modifications, patches, and/or reinstallations of software. IF YOU ATTEMPT TO VIOLATE OR CIRCUMVENT ANY SYSTEM OR NETWORK SECURITY COMPONENTS OR TECHNOLOGY, YOU MAY BE SUBJECT TO CIVIL OR CRIMINAL LIABILITY.
What gives? Because I can't really decide what I listen to, this is OK? Thank you sir, may I have another?