Udo recorded 'Walk away' himself too, as well as a version in Spanish and in Italian. It is the Italian version that is listed here, with the impressive longer title 'Peccato che sia finita così'. It means 'Too bad it ended like this', in case you're wondering.
My collection: 7" single no. 7053
Found: Record fair, Den Bosch, 11 November 2023
Tracks: 'Peccato che sia finita così' / 'Finito l'amore'