Question

Sarah loved the sound of the choir at the recital

and she decided to audition for the choir in the spring

Answer 1

i dont get what your asking if there was more of a description i would be able to help

Answer 2

To diagram compound sentences you have to separate the subject, verb and object before and after the conjuction

Step-by-step explanation:

Sarah loved the sound of the choir at the recital (first sentence)

subject || verb ||object

and (conjuction)

she decided to audiction for the chor in the spring

subject || verb || object

I hope you find this information useful and interesting! Good luck!