You don`t need a uniform color: We used a mixture of brick red, browns and grays, and then threw in seashells, branches and various types of rock, so our walls ended up looking like cave paintings!
You are still lucky - you have a certain type of people who keep buying your music - but then you can get typecast and have to keep making that same music, and you can change only slightly. It`s risky to bounce around and change your type of music.
When you play all that as a body of work there are four great songs, four mediocre songs and four bad songs. I didn`t know it at the time; I was just doing my best.