Possible Clues:

• Set of eight (var.)
• Group doing songs, say, and similar turns in exaggerated English
• Eight people considered as a unit
• Eight acting as one (var.)
• Eight performers (var.)
• Run over on wagon, alien with skin of green composition
• Group in boozy, sweary romp where lad goes for a month
• 8's firm backing non-drinker supports drive