The 53.2% of the musicians that answered receive a relevant income or made a living from the music. When it comes to the personal study, the vast majority decided at the moment what they were going to study, and a big part didn’t organize what they do. I was surprised because, knowing how hard things are sometimes, the answers reflected that most musicians in bands are kinda organized. Where was the problem? I kept looking and found something interesting. Almost 51.5% said that they take notes on the income they receive, the other 38,3% said they don’t. The 10,6% left said they sometimes do it, but sometimes don’t. But, in my experience with real musicians, this was more messy than it seemed. So I decided to do a few interviews with different profiles (professionals, semiprofessionals & amateurs), and I got a few curious findings: