Yes / no, is the following a verifiable fact?
"Frank Zappa wrote, composed songs and lead a music band." Step-by-step reasoning process:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
This is true because the compositions of Frank Zappa can be streamed on the music streaming apps. Therefore, the final answer is yes.