Start with high-confidence the music business books, then narrow by subgenre or adjacent topics.
Ticket Masters
Dean Budnick, Josh Baron
Hit Men
Fredric Dannen
The Musician's Guide to Licensing Music
Darren Wilsey, Daylle Deanna Schwartz
This Business of Concert Promotion and Touring
Ray D. Waddell, Rich Barnet
This Business of Music
Sidney Shemel, John M. Gross
Right of the Dial
Alec Foege
How to Make It in the New Music Business
Ari Herstand
All You Need to Know About the Music Business
Donald S. Passman
Mood Machine
Liz Pelly