Noun
English Wikipedia has an article on:canned heatWikipedia
canned heat (uncountable)
Fuel made from denatured and jellied alcohol and contained in a canister with a removable top, designed to be burned directly from that canister.
In 1994, Woodstock: The Director's Cut was released and expanded to include Janis Joplin as well as additional performances by Jefferson Airplane, Jimi Hendrix, and Canned Heat not seen in the original version of the film. Source: Internet