A method of delivering an audio and/or visual media file including, for example, one or more of full or partial master recordings of songs, musical compositions, ringtones, videos, films, television shows, personal recordings, animation and combinations thereof, over the air wirelessly, from one or more servers to an electronic device with or without an Internet connection. The method comprising transmitting and audio and/or visual media file in compressed format to an electronic device, and wherein the electronic device is effective to receive the audio and/or visual file and playback on demand by a user.