GOG.com (distributor only, not a release label)

Distributes game soundtracks, usually bundled with games.

If a release is only released through GOG, please add the disambiguation as 'GOG.com'.
If you have further disambiguation details to add, add it as 'GOG.com, [further info]'.

GOG digital releases do not have barcodes, you can safely mark them as [no barcode].

gogdb can be useful for finding release dates and updates.