Related Clues:

• Sing like Slim Clark
• Song accompanied by an alpenhorn
• It includes pitching changes
• Swiss Alps refrain
• "Cliff Hangers" theme music on "The Price Is Right," e.g.
• Sing like an Austrian, maybe
• Go up and down like a mountaineer?
• High air?
• Sing in high pitch like Swiss mountain dwellers
• Sing falsetto like Swiss mountain people
• Sing in high trilling tone like Swiss mountaineer
• Sing like Swiss mountain dwellers
• At last this led one back to Switzerland, by the sound of it
• There's poetry in the sound of it in the Alps
• There's poetry in it for the Swiss, by the sound of it