====== A Taxonomy of Progressive Rock Forms ====== ===== The ballad jam ===== Starts as as ballad and evolves into a jam. The jam is typically heavy. Often reprises the opening theme. * Trilogy * Thirty Years * Can Utility and the Coastliners * Take a Pebble ===== The extended ballad jam ===== Like the ballad jam but epic. The jam is definitely heavy. * Stairway to Heaven * Freebird * Starless ===== The suite ===== Lots of seemingly unrelated bits strung together. Can have explicit movements or not. * And You and I * Karn Evil Number 9 * Supper's Ready ===== The instrumental ===== No words spoken. * where to begin ... ===== The drone ===== Typically instrumental. Literally a drone or drone via repetition. * Alaska (opening) * Aladdin's Bolero => or should there be a "The crescendo" class?