Some tips for your Bucharest visit.
Entry fee in Bucharest Clubs
Free for most of them
Some options for a quiet night
Bucharest is packed with nice and quiet terraces and beer gardens, especially from late spring until early autumn. Try the ones in Herastrau Park, near the beautiful lake.
Till what hour can I party
Is up to you . Many clubs and venues will be still crowded at sunrise, even during weekdays.
Live music ?
Oh yes! Many pubs and bars have this on a regular basis, keep reading.
Hipster Clubs ? Gay Clubs ?
Yes, many / not many.
How safe is Bucharest at night ?
Same as other capital cities of Europe. I wouldn’t worry.
Very accessible, ~0.35 Euro / Km. So Eur 3-5 will pretty much get you anywhere you want.