First, activate iChat and enable Bonjour chat on both Macs. (iChat->Preferences->Accounts->Use Bonjour Instant Messaging)
On the Mac running iTunes, go to iChat-> Preferences. Select the Alert tab. Under the ‘Event‘ dropdown box, select ‘Message Received‘. Put a check on the box beside ‘Run AppleScript‘ and select ‘iTunes Remote Control.applescript‘ from the dropdown box.
You have completed the configuration. Now, set up a chat session between the two Macs. In your room’s Mac, type status – see what iTunes is currently playing on the other Mac next – play the next track previous – play the previous track mute – mute iTunes unmute – unmute iTunes play – start playing song from current playlist pause – pause the playing Enjoy!