Download Linux : Ubuntu Studio 12.10

Ubuntu Studio is the Ubuntu flavour designed for content creation. Improved interface: a new web page, the help button on the main menu points there; Task Manager has been switched to System Monitor for better memory use display; a main menu tool has been added to setting to allow the user to change their menu; 

add/fix text Plymouth theme; set up Software Centre menu items for our workflows; fixed submenu icons for accessories, education and network. New software include: Xfce updated to version 4.10; Linux kernel (low latency) is now version 3.5.

ubuntustudio-12.10-dvd-i386.iso 
ubuntustudio-12.10-dvd-amd64.iso  

Source:
https://wiki.ubuntu.com/QuantalQuetzal/ReleaseNotes/UbuntuStudio