Complex sentence: Born in Bosnia, Aida started to sing at the age of three and when she got a Mini-Keyboard as a present from her father on her fifth birthday, her family realized that her voice was her best instrument.
Split into simpler sentences: Born in Bosnia, Aida started to sing at the age of three. When she received a mini-keyboard as a present from her father on her fifth birthday, her family realized that her voice was her best instrument.