Complex sentence: Putri Ayu tends to sing as a mezzo-soprano, and the highest tone she usually achieves is A5, but in songs such as "Bohemian Rhapsody", she was able to attain a Bb5.
Split into simpler sentences: Putri Ayu tends to sing as a mezzo-soprano and the highest tone she usually achieves is A5. However, in songs such as "Bohemian Rhapsody", she was able to attain a Bb5.