Looking for a movie. Early 80s About a country guitar player joining a rock band and playing in the battle of the bands. His best friend was the pianos that overdose on drugs.
I thought the name had something to do with thunder alley or road

Might Be Crossroads With The Guy In Karate Kid Films

That's not Crossroads.
Ralph Machio is the Karate Kid start that you're thinking of.

Thunder Alley (1985) (http://www.imdb.com/title/tt0090168/)

Thunder Alley (1985) (http://www.imdb.com/title/tt0090168/)
That what I thought it was but can't find the movie anywere to buy

http://www.missedmovies.com
Search for Thunder Alley.
FYI: I'm not sure if this site is on the up and up or not...