The Music Teacher (1997) by Robert Starer
A concert pianist turned teacher gets involved in a complicated relationship with one of his adult students, leading him to discover some tragic secrets about his past.
“Starer reveals the behind-the-scenes nature of the concert circuit?getting a manager, planning a repertoire, and booking dates?while contrasting Bernard’s earlier marriage to a rising opera star with his relationship with Lydia, filled with shared enthusiasm.” – Library Journal