el tocar la guitarra.
guitar hero - no change.
La Guitarra
Toco la guitara
No toco la guitarra
If by saying "not a guitar player" you mean someone who plays with a controller, then I would say generally people who play with the guitars are a lot better.
Ahora (él) toca la guitarra.
La m (menor) en guitarra.
il joue de la guitare
are you meaning who plays the guitar for the tracks in the background
No nos gusta tocar a la guitarra
Chad Kroeger plays lead guitar, and Ryan Peake plays rhythm guitar.
jugar is used to say play sport. If your trying to say "to play soccer" you would say "jugar futbol(soccer in spanish)"