https://www.musical-u.com/learn/practical-value-music-theory/
Why should we learn music theory? Some see the value in knowing more than they do, but may be intimidated by the topic or may not understand the way music theory enhances what they’re capable of as writers, players, or performers. So if this describes you, this article lays out a strong case for an understanding of theory, with a few provisions. https://www.musical-u.com/learn/practical-value-music-theory/