| Nonsensical refrain | 19 |
| MacDonald's refrain | 23 |
| Kid's song refrain | 22 |
| Five-note refrain | 17 |
| Familiar refrain | 16 |
| Children's refrain | 22 |
| Sequence sung by kids | 21 |
| Refrain in "Old MacDonald" | 36 |
| Refrain heard with animal noises | 32 |
| Refrain from singing about a farm? | 34 |
| Old MacDonald letters | 21 |
| Nursery school refrain | 22 |
| Letters sung after "had a farm" | 41 |
| Letters on the farm | 19 |
| Letters from childhood | 22 |
| Kindergarten refrain | 20 |
| Kid's refrain | 17 |
| Followers of various animals? | 29 |
| Farmer's letters? | 21 |
| Familiar vowel sequence | 23 |
| End of a kindergarten song | 26 |
| End of a kid's song | 23 |
| Call on a farm | 14 |
| "Old MacDonald" letters | 33 |
| "Old MacDonald had a farm, ___" | 41 |
| "... farm, __" | 24 |
| ". . . had a farm, __" | 32 |
| ''Farm'' follower | 33 |
| ''. . . had a farm, __'' | 40 |
| What goes after cows, ducks and pigs? | 37 |
| Vowely refrain | 14 |
| Vowel-laden refrain | 19 |
| Vowel sequence in a kid's song | 34 |
| Tots' song refrain | 22 |
| Toddlers' song refrain | 26 |
| Theme scheme for this puzzle | 28 |
| Refrain with sheep? | 19 |
| Refrain sung with barnyard noises | 33 |
| Refrain on the farm | 19 |
| Refrain letters from "Old MacDonald" | 46 |
| Refrain letters | 15 |
| Refrain learned at an early age | 31 |
| Refrain in pre-school | 21 |
| Refrain in a song full of animal sounds | 39 |
| Refrain in a certain kid's song | 35 |
| Refrain in 'Old MacDonald' | 34 |
| Refrain from singing in kindergarten? | 37 |
| Refrain from preschool | 22 |
| Refrain from kindergarten? | 26 |
| Refrain from children's singing? | 36 |
| Refrain from a preschool song | 29 |
| Refrain from a kids' song | 29 |
| Refrain from a kid's song | 29 |
| Refrain for Old MacDonald | 25 |
| President Clinton without consonants | 36 |
| Preschool song refrain | 22 |
| Preschool sequence | 18 |
| Old McDonald's refrain | 26 |
| Letters sung by kids | 20 |
| Letters sung after various animal names | 39 |
| Letters sung after "... had a farm" | 45 |
| Letters on a farm? | 18 |
| Letters in a familiar refrain | 29 |
| Letters in a children's refrain | 35 |
| Letters after many animal names | 31 |
| Kindergarten song refrain | 25 |
| Kiddie's refrain | 20 |
| Kiddie-song refrain | 19 |
| Horse or cow follower | 21 |
| Followers of "cows" or "pigs" in song | 57 |
| Follower of ducks, sheep or pigs | 32 |
| Follower of cow, pig or horse | 29 |
| Follower of a duck, pig or cow | 30 |
| Five-letter song refrain | 24 |
| Finish of a kindergarten tune | 29 |
| Farmyard refrain | 16 |
| Farming song refrain | 20 |
| Farmer's refrain? | 21 |
| Farm refrain? | 13 |
| End of a rustic refrain | 23 |
| End of a kindergarten tune | 26 |
| Day camp song refrain | 21 |
| Consonantless refrain | 21 |
| Common refrain that's a hint to this puzzle's theme | 59 |
| ChildrenÂ’s song refrain | 27 |
| Children's-song refrain | 27 |
| Childhood refrain | 17 |
| Child's refrain | 19 |
| All-vowels song refrain | 23 |
| Agrarian refrain | 16 |
| "With a quack quack here" preceder | 44 |
| "Old MacDonald" nonsense refrain | 42 |
| "Old MacDonald" coda | 30 |
| "Old MacDonald hHd a Farm" refrain | 44 |
| "Old MacDonald had a farm" follower | 45 |
| "Farm" letters | 24 |
| "Farm" follower | 25 |
| "... had a farm" follower | 35 |
| "... had a farm, __" | 30 |
| "... had a farm, ___" (song refrain) | 46 |