Rock is definitely my favorite music.
Rock music originated in the 1940's and 50's and took inspiration from blues and country music.
Oh wow, that's a long time ago!
By the late 1960's a number of subgenres had emerged from the original form of rock.
Cool, what kind of different subgenres?
there were many hybrid genres such as blues rock, folk rock, country rock, and jazz-rock.
Ohh cool, they are older genres.
Usually the music is based around the electric guitar.