Possible Clues:

• Foreign gentleman leading an ass
• Fool reciting 11 and 25 after this in book?
• "Pin the Tail on the ___" (Naughty By Nature)
• Fool shows lecturer a set of answers to problems
• The note is not off-key to a beastly extent
• Domestic beast of burden
• Domesticated animal
• Critter orchestrally imitated in Grofé's "Grand Canyon Suite"
• See 1 Across
• Foolish person; animal