I don't now whether it is true or not, but I have heard that this song had something to do Yuri Gagarin, first person in space, whether it was in his honor, inspired by him or for him. I don't really know, but it sure would make sense to me. This is not the original singer, but I prefer her.
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Tenderness
Performed by Tatiana Bulanova
The world has become like a void without you
How do I survive a few hours
The leaves fall in the garden, same as always
And taxis continue to hurry somewhere
Only it is empty on earth alone without you
You keep flying and the stars gift you with their tenderness
It was just as empty on the earth
When Exupery flew
The same way the leaves fell in gardens
And the earth could not come up with
How to live on without him
While he flew, flew, and the stars gifted him with their tenderness
The world has become like a void without you
If you can, fly back quickly/sooner