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Pro Tracker for ZX Spectrum line PCs are very attractive for MSX users as well, because MSX computers have the same PSG sound chips.
These pages below are translation or re-typed texts about Pro Tracker. This wiki deals it for refference of MSX users.
Mainly, these documents are based on the version of 3.72 or 3.71, developed and publushed by "Alone Coder" (one of the developers and latest).
Pro Tracker 3.72