A method is provided for converting one or more electronic music files into an electronic musical representation. A song framework is provided that includes a plurality of rules and associated processing steps for converting an electronic music file into a song framework output. The song framework output defines one or more framework elements; one or more performance elements; and a performance element collective. The rules and processing steps are applied to each instrument track included in one or more electronic music files, thereby: detecting the one or more performance elements; classifying the performance elements; and mapping the performance elements to the corresponding framework elements. A related method is also provide for preparing the electronic music files before applying the rules and associated processing steps of the song framework. The output of the method of the present invention is a song framework output file. A computer system and computer program is also provided for processing electronic music files in accordance with the method of the invention. One aspect of the computer system is an electronic music registry which includes a database where a plurality of song frame output files are stored. The computer program provides a comparison facility that is operable to compare the electronic musical representations of at least two different electronic music files and establish whether one electronic music file includes original elements of another electronic music file. The computer program also provides a reporting facility that is operable to generate originality reports in regard to one or more electronic music files selected by a user.