kapag kaya mo na icover ang cannon-rock? nyeeeheehee
"Canon" (with a single "n") is the musical form.
"Cannon" with a double "n" is the weapon which fires projectiles with a loud boom.
So kapag "cannon-rock" ang tinugtog mo, either makakasira ka ng gamit ng may gamit, o di kaya'y baka bagong taon na.