‘Proti Mariboru’ or ‘Flotte Harmonika’ by Jože Burnik (Slovenia) was recorded by Edi Semeja on accordion with Alpski Kvintet (Alpenoberkrainer) in the 1990s. It isn’t a widely played song but is another great instrumental which is fun to play on the accordion.
Sheet music:
📝 Sheet music pdf (G key)