Mobile music has evolved from simple music apps on early devices like PDAs to a full spectrum of content consumption and creation apps available on iOS devices today. The mobile music market is large with over 25 billion apps downloaded and 600,000 available, though music apps only make up about 4%. Mobile music apps have key characteristics like accessibility, low cost, and ease of use that encourage creativity. While mobile music started as a natural evolution from desktop tools, the presenter argues it now represents an opportunity for more innovative approaches that take advantage of mobility and new forms of music discovery, collaboration, and games-based creation.