If I stop to think about fans, or best-selling, or not best-selling, or good reviews, or not-good reviews, it just becomes too much. It's like staring at the mirror all day.
Photography started as a means of getting reference material for my paintings of nature subjects.
Even if it was a difficult operation to copy a song, it only takes one person to do it. After that the spread of the song via the Internet or other means of propagation is only limited by the honesty of the users.