Possible Clues:

• Refrain for a 'sweet chariot'
• Number of England supporters, faction involved in leisurely fighting over sugary tea?
• and 20 and 25: Something heard at Twickenham wows lethargic townies terribly
• "___, Sweet Chariot"
• Society success is radiant: we portray a profusion of song
• 16 song by drinker about to gain warmth - and curse about draw first