They definitely changed their sound over their years and when you put them all together they cast a wide net.
I always admired David Bowie, who not only changed his sound for every album, but literally his persona and physical appearance and dress. Every album had a theme. Ziggy/Spiders From Mars, The Thin White Duke, etc. He never became complacent with his music or character nor did he do the same thing more than once. Not all of his music appealed to me but I certainly am a fan and was always in awe of his ability to constantly reinvent himself.