Thank you for taking a moment to provide a testimonial. I would love to hear a couple of sentences or paragraph describing your experience, how my product(s) have helped you, and your overall takeaways!

If you'd rather use a templated script to fill in your responses, here's an idea:
"The Artists' Lawyer's {contracts/tools} have given me {benefit/results}. Before, I was {previous state/struggle}, but now I'm {new state/emotion}! I've been able to {result/revenue increase/time gained/etc.}. Having these contract templates are {Vital? Necessary? Genius? A no-brainer?}."