VIDEO THRWBCK: Yes - Yours Is No Disgrace (1971)
Though Yes would eventually head down the road of extreme indulgence (check out Tormato if you need further proof), their first handful of albums of spaced out prog rock are un-fuck-with-able. Check this TV appearance from 1971 where they put Mars Volta and Coheed & Cambria to shame before they were even born.
