Whether you like it or not, if you are serious about musicals and you have the opportunity, see them all, including and perhaps especially the failures.
I felt Never Gonna Dance was good although it never soared and was never great. There was little about it that was bad but there was also little that was truly memorable.
Go see it. See them all.
"If my life weren't funny, it would just be true. And that would be unacceptable."
--Carrie Fisher