Solo guitarists, bassists, drummers, bands, music theory, classical music, pop music, rock music, blues music, punk, metal, music that includes all of the above....
At Greystones Guitar School, the rule is practise, practise, practise. "Practise" is a verb (a doing word), without which no human endeavor would ever exist. Everything is a practice (spelled with a "c" when used as a noun), from learning how to walk to learning how to launch a space shuttle to the moon.
Practice means "do it now".