Complex sentence: Sandé had classical music training as a songwriter in her teens and learnt to play the piano at an early age, and getting across that she played, made and wrote her own music was very important to her.
Split into simpler sentences: Sandé had classical music training as a songwriter in her teens and learnt to play the piano at an early age. Therefore, getting across that she played, made and wrote her own music was very important to her.