MuZic is a music playing system that allows people to play their favorite music in different locations using a simple tweet. It has both personal and professional uses. The personal version allows users to create playlists and control ambient lights, while the professional version is suitable for public spaces and can display live music demands from visitors through Twitter. The document outlines the team, target groups, benefits, costs including contractor fees, indirect costs, and direct costs of the MuZic project over two years.