Complex sentence: Early in her career, she received a voice lesson scholarship for being a grand finalist in a local TV singing contest which paved the way for her to teach her sisters what she learned while also pursuing her own singing career.
Split into simpler sentences: Early in her career, she received a voice lesson scholarship for being a grand finalist in a local TV singing contest. This paved the way for her to teach her sisters what she learned from her voice lessons while also pursuing her own singing career.