In the 80s, before I became aware of hardcore prog like early Genesis and Yes I listened to bands like The Alan Parsons Project, Supertramp, ELO, Queen. I don't consider them to be prog bands, but the progressive elements in their music (especially their early stuff from the 70s) lured me into the real stuff eventually, and I still love them for it.
If Supertramp and TAPP can be on this site as Art Rock bands, why can't ELO be? ELO's early albums are much proggier IMHO than any work by the bands mentioned earlier. On their first record they sound pretty dark and experimental (much like VDGG).
Should ELO be included (or Queen for that matter), or should TAPP and Supertramp be excluded?