Melodeo is testing a service which will let users stream songs from their iTunes library to their mobile phones, with plans to extend the service to other digital music services in the future. However, it hasn’t sorted out the revenue stream yet: “Melodeo revenue could be from monthly fees for the service, software download fees, or audio advertisements, said David Dederer, Melodeo’s vice president for music services” reports Reuters. It’s claiming it can charge low fees because it will pay licensing fees as a web-based radio service, or a tenth of a cent per song play. Melodeo said the service will launch in 6-12 weeks and hopes there is a carrier deal by then—because if not the data charges could cripple from the outset. On a side note to the labels, Melodeo’s vice president for music services David Dederer suggested that people using the service would be paying license fees for hearing songs they copied from their friends…