New York - Rainbow Media on Tuesday announced an expansion of the video-on-demand services it offers to cable and satellite TV providers. The operator of networks including IFC, AMC, Fuse and We said it has adopted the "Skool" brand across its VOD properties. The company also renamed its Mag Rack service "Lifeskool," and launched a new service called Musicskool that will offer music lessons and instruction. Rainbow said its Sportskool service is now available in over 22 million U.S. homes.