Prevent Mac from Sleeping When You Close the Lid
InsomniaX lets you keep your MacBook awake even when the lid is closed so that you can continue to listen to music or whatever else you were doing on it. In order to run the aforementioned app on your machine, your system configuration must match the following:
MacBook Air or MacBook Pro
Intel 64-bit processor
Mac OS X 10.8.5 or later
If your system specs match the above configuration, you are all set to run the app on your machine.