Digital jukebox device with karaoke and/or photo booth features, and associated methods

A digital processing system configured to generate a new audiovisual file, comprising:

• a network connection over which at least first audio data of a performance captured from a portable user device, the audiovisual data including first audio data and first video data;
• a data store comprising second audio data, the second audio data including vocals of a performer and backup music;
• and
• processing resources configured to:
• digitally combine the first audio data and the second audio data such that the first audio data is partially replaced with the second audio data in order to produce a new audiovisual data file;
• and
• provide for subsequent performing of the produced new audio data file under control of the jukebox while tracking rights and/or royalty sharing associated with the new audio data file, wherein the rights and/or royalty sharing associated with the new audio data file include rights and/or royalty sharing associated with vocal elimination and replacement.