memoryRadio

https://vocaroo.com/1b11eMER311J

This is a melody that is sung (whistled) in the Czech Republic.
But I suspect the melody may be taken from some old rock'n'roll song.
Does it remind you any old song?

I dare to add an even better recording, maybe it will help.

https://vocaroo.com/15QEgpUilsPP