Had cruised with equivalent lines, we chose the Muse because destinations and timing suited our plans.
The "Butler service" provides less than the normal service on other lines. It was very frustrating having to spell words when ordering over the phone.
Dining arrangements were terrible and inflexible. By the end of our second week we had settled on three restaurants that were of acceptable standard, but with static menus the fare became boring.
Cabin was fine. Shower had no thermatic mixer, temperature varied greatly