How is it going? Ideally, Mussorgsy would support the same file types as tracker (and extend its capabilities accordingly when user has tracker-extractor-mod or something installed), but it may require a radical rewrite of Mussorgsky. python-mutagen used by Mussorgsky is different from id3 libraries being used by tracker if I remember correctly. I wonder, what are the advantages and disadvantages of using python-id3lib?

Thank you. Best wishes.
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Per aspera ad astra...