Influences from heavy bands of the time, such as Black Sabbath, Deep Purple and Steppenwolf are noticeable, with proto-doom and psych/funk undercurrents.

Do you like fuzz guitar? You're going to hear it screaming and wailing and building to epic tidal waves and crashes, the kinds of astonishing guitar cascades not heard since you cued up the best of all available live Jimi Hendrix recordings. Talking about a track known online as 'Bufo Gutturalis,' a poster's assessment: "I gotta say this is one of the most shocking songs from 60s, it's impressive how the sound can be heavy and dark -- it is also one of the earliest released songs most closely to call proto-doom."