SWISS – GG02. One song is „Edelweiss“ and I believe the other is „Der Frohliche Wanderer“. This has never been used. They were ordered from Germany, but made in Switzerland, decades ago and have been recently found.
https://www.ebay.com.au/itm/ROMANCE-MUSICAL-CUCKOO-CLOCK-MUSIC-BOX-MOVEMENT-New-Old-Stock-SWISS-GG02/193077006509