Music Business and price

Dan, I hope you’re doing well. [In your opinion, what’s the best approach for pricing your work? Should you charge a fixed fee for production, mixing, mastering, etc., or opt for a daily rate and handle artist-related tasks within that daily rate? Should musician fees be included in the initial price, or do you estimate them separately? How do you recommend structuring pricing—hourly rates followed by billing the client based on the total hours worked?