Possible Clues:

• Musically improvise
• The head wants a bit of pasta
• '... trip, like the --s of Hog's-Norton, where the pigs play on the organ' (Scott, Woodstock)
• Get creative
• Piece of spaghetti
• The awfully old tottery one accepted food
• Staple of Chinese cuisine
• Something in the soup
• Simpleton; piece of pasta
• Head - simpleton - found in soup