you have to be musical and have a bit of talent you need to know how to read notes and you have to know all theory
Bedside manner!
To be successful you need to produce good music. You wont make any money if you can't produce music that can be sold. Just because you make music, doesn't mean people will buy it.
By showinh how you are successful at Maths.
Both
skill and concentration
Active listening
Depends on the skill of the AI technician but usually very successful.
You must have talent and skill.
Active listening
Active listening
Of course not. If you can play well, there is no required qualification. Especially in popular music, there is no need to do exams as long as you have passion, talent and skill.
None. However, most successful classical artists have degrees in music.