Mobile music continues to be an important driver of revenue for the music industry. Technology continues to open new markets with true tones now accounting for the vast majority of downloaded ringtones. The popularity of ringtones allied to the constantly changing music scene means ringtones represent an important revenue channel for artists. Technology continues to evolve, so we can only wonder what the next development will be. With services like itunes already having revolutionised how we buy music and new services like spotify providing music in return for radio style advertising. As the margins get trimmed on all these products, whats unclear is if artist’s income will rise through volume, as these new services becoming entirely mainstream.