Harris has a recognisable and popular style of bass playing, particularly the "gallop" which can be found on several Iron Maiden recordings, such as the singles "Run to the Hills" and "The Trooper".
Harris má rozpoznateľný a obľúbený štýl hrania na base, najmä "cval", ktorý možno nájsť na niekoľkých nahrávkach Iron Maiden, ako sú singly "Run to the Hills" a "The Trooper".