heather mcdonald. (2017). what is a session musician?. Available: https://www.thebalancecareers.com/what-is-a-session-musician-2460709. Last accessed 19/09/18.

MASTERING. (JULY 23, 2012). what is mastering engineering. Available: https://www.sageaudio.com/blog/mastering/what-is-a-mastering-engineer.php. Last accessed 19/09/18.

Connor . (2007). role of a music producer . Available: https://thestereobus.com/2007/12/07/the-role-of-a-music-producer-explained/.com

 Last accessed 8/10/18.