[jameshart]

Does that kind of musician also spend time practicing?

Because the comparison we’re being offered is to a concert musician, and their work routine is likely very different to a music producer.

[FractalHQ]

I would argue the process of producing a song falls under “practice” of the craft.

[Jensson]

Programming also falls under "practice" of the craft, but we aren't talking about that kind of practice, we are talking about training sessions.