Once music ceases to be ephemeral - always disappearing - and becomes instead material... it leaves the condition of traditional music and enters the condition of painting. It becomes a painting existing as material in space not immaterial in time.
I got my first big paycheck for 'My Best Friend's Wedding.' This was in the days when you actually did get paid to have a supporting role. It just doesn't happen like that anymore but this was in the '90s. It was the golden age!