Possible Clues:

• Singing and dancing, for two
• They're scouted
• Pageant entrants' 35-Downs
• Performer's résumé listing
• Juggling, singing, magic, etc
• Special aptitudes
• Variety show array
• A novice under canvas finds pole - sounds like something the scouts are looking for
• Stories about National Trust gifts
• Natural abilities needed to make drink for one in shades