I like many songs from Violetta but my absolute faves are:
Underneath it all
Nuestro Camino
Habla Si peudes
I also quite like Queen of the dance floor.
Again, there are many songs I like in general and I can't pick a favourite. Though, at the moment I like:
Because of you by Kelly Clarkson
All in my head by Tori Kelly
Parachute by Laura Marano
The heart wants what it wants by Selena Gomez
Thx for asking