The Beat Goes On by Sara Creasy is book 10 of the Wynter Wild series. It was available on Wattpad in 2020-2021.
Books in the Wynter Wild series:
02 Out of Tune
08 Minor Key
10 The Beat Goes On
Imagine where the Fairn brothers would be today if Wynter hadn't come into their lives. Three years on, this reunited family is happy on Tiger Mountain with their eccentric medieval tower, farm animals and homegrown veggies, and burgeoning music careers on the indie rock scene.
But something is holding them back from the bright future they've worked so hard for. The secret to unraveling the past lies in that off-the-grid commune in southern Arizona where, in her fourteenth year, Wynter met a free-spirited Aussie boy and his best friend, who together changed her view of the world forever...