original: The marriage was not entirely happy although it inspired some of Moeran's masterpieces, the Cello Concerto and Cello Sonata.
simplifications: The marriage was no fully happy but inspires Cello Concerto and Cello Sonata some of Moeran's masterpieces. The marriage was not very happy but it inspired some of Moeran's greatest works like the Cello Concerto and Cello Sonata. It wasn't a happy marriage although it inspired Moeran's masterpieces "Cello Concerto" and "Cello Sonata". The marriage was not completely happy. However, it did inspire some of Moeran's masterpieces, the Cello Concerto and Cello Sonata. The marriage was not entirely happy. However, it inspired some of Moeran's masterpieces, the Cello Concerto and Cello Sonata. The marriage inspired some of Moeran's greatest works, the Cello Concerto and Cello Sonata. The marriage was not totally happy. It did inspire some of Moeran's best works, the Cello Concerto and Cello Sonata. The marriage was not entirely happy but it did inspire some of Moeran's masterpieces. Specifically, the marriage inspired the Cello Concerto and Cello Sonata. The Cello Concerto and Cello Sonata are masterpieces that were inspired by Moeran's marriage. The marriage was also not entirely happy, even though it inspired some of Moeran's masterpieces, the Cello Concerto and the Cello Sonata.