Possible Clues:

• Having individual person's name and number brought round
• Done without assistance
• 'He alone can get none around Mother (3,3)'
• Like a show with a single performer
• Very small, as an operation
• -- - -- show, that's performed by single person
• Show leader?
• Like operation of mower in meadow?
• Sort of band playing alongside rising celebrity
• Like a single-guy band