If The Highway Star got it right, they're coming on February 23:
http://www.thehighwaystar.com/tourdates/
I'm so excited about this!!!!!!! I'm from a nearby town (Ponta Grossa), and I saw the band the last time they played in Curitiba. It was so, so, so awesome!!! Don's solo was just astounding. Hopefully, I'll see them this time as well.
Cheers,
Fernando Scoczynski Filho.