12. A method for creating a professional-quality media production, the method comprising: recording an acting performance in a professional media studio; identifying a portion of the acting performance for which replacement dialogue is desired, after the performance in the professional media studio has been completed; making guide data available on a media server, the guide data including audio and video from the portion of the acting performance for which replacement dialogue is desired; providing an actor from the acting performance with a mobile device equipped to: (1) download the guide data from the media server; (2) receive user-input indicating selection to play said guide media items; (3) play a user-configurable lead-in queue; (4) upon completion of said lead-in queue, play the guide data in order to permit the actor to practice a replacement performance while viewing the guide data; (5) record multiple takes of the actor's performance of the replacement dialogue while playing the guide data to the actor; (6) receive feedback from the actor regarding the multiple recorded takes and store said feedback as user feedback data; and (7) upload the multiple recorded takes and the user feedback data to a media server; receiving the multiple recorded takes and the user feedback data from the mobile device; evaluating the multiple recorded takes based at least in part on the user feedback data; selecting one of the recorded takes as the replacement dialogue for the identified portion of the acting performance; replacing the identified portion of the acting performance with the selected recorded take in order to generate a professional-quality media production comprising the replacement dialogue; and providing the professional-quality media production with the replacement dialogue for use in the entertainment industry.
12. A method for creating a professional-quality media production, the method comprising: recording an acting performance in a professional media studio; identifying a portion of the acting performance for which replacement dialogue is desired, after the performance in the professional media studio has been completed; making guide data available on a media server, the guide data including audio and video from the portion of the acting performance for which replacement dialogue is desired; providing an actor from the acting performance with a mobile device equipped to: (1) download the guide data from the media server; (2) receive user-input indicating selection to play said guide media items; (3) play a user-configurable lead-in queue; (4) upon completion of said lead-in queue, play the guide data in order to permit the actor to practice a replacement performance while viewing the guide data; (5) record multiple takes of the actor's performance of the replacement dialogue while playing the guide data to the actor; (6) receive feedback from the actor regarding the multiple recorded takes and store said feedback as user feedback data; and (7) upload the multiple recorded takes and the user feedback data to a media server; receiving the multiple recorded takes and the user feedback data from the mobile device; evaluating the multiple recorded takes based at least in part on the user feedback data; selecting one of the recorded takes as the replacement dialogue for the identified portion of the acting performance; replacing the identified portion of the acting performance with the selected recorded take in order to generate a professional-quality media production comprising the replacement dialogue; and providing the professional-quality media production with the replacement dialogue for use in the entertainment industry. 19. The method of claim 12 , wherein the user-configurable lead-in queue is a visual countdown timer providing the remaining seconds and milliseconds prior to the media being played.