Simplify the following text for a Grade 11 native English-speaking person.
Original: After Hahn completed her part of the contract with Sony , which was for five recordings over six years , she decided against renewing the contract due to the fact that she and Sony did not agree on her future projects ( Lark Ascending ) .
Simplified: After Hahn completed her part of the contract with Sony , which was for five recordings over six years , she decided against renewing the contract as she and Sony did not agree on her future projects .