Related Information for Asperity There are two bands with this name.1) Asperity is a heavy metal band from Sala, Sweden.Their line up is:Petri Kuusisto - guitarStefan Westerberg - drumsPeter Kronberg - vocals and bassJohan Jahlonen - guitarThey have released one album in 2004 entitled The Final Demand.—-2) Conservative Christianity and post-hardcore scree may seem like the most disparate of extremes, but the post-screamo rock sextet Asperity has that juxtaposition beat. 5/6ths of its members are only juniors.. read more