| 100% | EIEIO | 5 | Farmyard refrain in a children's song |
| 75% | EIEIO | 5 | Vowels in a children's song refrain |
| 74% | EIEIO | 5 | Refrain in a children's song ... or a literal feature of 17-, 25-, 42- and 55-Across |
| 65% | JIMMIECRACKCORN | 15 | Repeated lyric in a children's song |
| 63% | EIEIO | 5 | Consonant-free chorus in a children’s song |
| 63% | DELL | 4 | Locale in a children's song title |
| 63% | OLD | 3 | Like MacDonald, in a children's song |
| 63% | EIEIO | 5 | Letters in a children's refrain |
| 63% | HIHO | 4 | Syllables in a children's refrain |
| 62% | BAABAA | 6 | Sounds "everywhere," in a children's song |
| 62% | FRERE | 5 | Jacques' title, in a children's song |
| 61% | KNEES | 5 | They accompany head, shoulders, and toes, in a children’s song |
| 60% | DELL | 4 | Farmer’s place, in a children’s song |
| 60% | LONDONBRIDGE | 12 | Something falling down, in a children's song |
| 60% | ANTS | 4 | They "go marching" in a children's song |
| 59% | MRSUN | 5 | Personified heavenly body in a children's song (2 wds.) |
| 58% | EFGH | 4 | What I must follow, in a children's song |
| 58% | WEASEL | 6 | One that goes "pop" in a children's song |
| 58% | TEAPOT | 6 | "Short and stout" object in a children's song |
| 58% | EIEIO | 5 | Children's song refrain ("Old MacDonald had a farm …") |
| 58% | TEAPOT | 6 | "Short and stout" item, in a children's song |
| 57% | EIEIO | 5 | Children's song refrain featured in the four longest answers |
| 57% | ONEBYONE | 8 | How the ants begin marching, in a children's song |
| 57% | KNICKKNACK | 10 | With 20-Down, phrase in a children's song |
| 57% | LILT | 4 | You might hear a children's song in one |
| 57% | WHEREOHWHEREHAS | 15 | With 62-Across, question in a children's song |
| 57% | DELL | 4 | Farmer's hangout, in a children's song |
| 57% | ALOUETTE | 8 | Popular song in a children's sing-along |
| 56% | MRSUN | 5 | Character asked to "shine down," in a children's song |
| 55% | TRA | 3 | Syllable that might be sung in a song's refrain |