Abstract: A creator establishes a media program including a plurality of media files or content in accordance with a broadcast plan. Mixing systems establish connections with a mobile device of the creator, and with sources of the audio files or content, either manually or automatically in response to instructions of the creator. Broadcast systems establish connections with computer devices of listeners and a mixing system. Conference systems establish connections with the mobile device of the creator and a mixing system. The connections established may be one-way or two-way channels. The media program may include live or previously recorded audio content including words or sounds of the creator, as well as advertisements, music, news, sports, weather, or other programming. The media program may also include live or previously recorded interviews or other conversations with guests, including but not limited to one or more listeners.