Possible Clues:

• "___ come blow your horn ..." (3 words)
• Demanding good introduction in Australian books
• "___ come blow your horn ..."
• What young Hornblower did, by the sound of it
• A tad sad about lad - a rhyme for the nursery
• One that blew till all was blue - or should have
• One exhorted to blow so-called A-bomb up? Not at all
• Young shepherd of a nursery rhyme
• Nursery-rhyme snoozer
• Nursery rhyme snoozer