Which chords are in the song Hutulca (cu Domnica Trop)?

What is the right BPM for Hutulca (cu Domnica Trop) by Argatu'?

Which chords are part of the key in which Argatu' plays Hutulca (cu Domnica Trop)?

In which year did Argatu' release Hutulca (cu Domnica Trop)?