Possible Clues:

• One and all
• Critic or comedian, it's said
• Uncle Tom Cobleigh and all
• Looking back envoy lacks heart, meeting father figure finally in public
• All time sweetheart keeping pure
• The entire population's pretty identical, when seen after Ecstasy
• Always you must keep on -- not just some of you!
• Who's a critic, so they say
• Energy in a high degree united all
• All participants absolutely available in middle of week