There are 2 books in the Cursed Hearts series. The newest book is Music & Mirrors which came out in 2021.

1
Lyrics & Curses

Book cover of Lyrics & Curses
Their love for music sparked a curse...

Lark Espinoza could get lost in her music—and she's not so sure anyone in her family would even care to find her. Her trendy, party-loving twin sister and her mother-come-lately Beth, who's suddenly sworn off men and onto homemaking, don't understand her love…
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2
Music & Mirrors

Book cover of Music & Mirrors
Before Ridley became the Mirror Keeper, he was just a guy in love who’d had a tough life before meeting Leni. Through Leni, he thought he’d found a way to truly live in the music they loved. But in the Mirror Dimension, everything can easily be broken—even their bond.Leni has…