| 100% | IWENT | 5 | “___ to the animal fair” (children’s song opener) |
| 54% | OLDMACDONALD | 12 | Children's song featuring the animals and sounds in this puzzle |
| 47% | OLDMACDONALD | 12 | Subject of a children's song associated with the vowels in the answer to each starred clue |
| 43% | EIEIO | 5 | Children's song refrain featured in the four longest answers |
| 42% | DONKEY | 6 | According to the Bible, Balaam's animal that spoke |
| 42% | FLY | 3 | "___ Me to the Moon," Frank Sinatra's song |
| 42% | WERE | 4 | "___ All Going to the World's Fair" (2021 horror film) |
| 40% | EIEIO | 5 | Children's song refrain ... with a hint to this puzzle's central nine squares |
| 40% | ELMO | 4 | Children's TV character who refers to himself in the third person |
| 40% | PILOT | 5 | "Take Me to the ___" (B side of Elton John's "Your Song") |
| 40% | TIGER | 5 | Animal mentioned in the lyrics to Katy Perry's "Roar" |
| 40% | IAN | 3 | Janis with the 1967 song "Society's Child" |
| 40% | ITSY | 4 | Children's song, "The ___-Bitsy Spider" |
| 40% | JOY | 3 | "___ to the World" (Christmas song) |
| 40% | HAIL | 4 | "___ to the Chief" (presidential song) |
| 40% | JOY | 3 | "___ to the World" (Pentatonix song) |
| 40% | NOTI | 4 | Reply to the Little Red Hen, in the children's story: 2 wds. |
| 39% | HIPBONE | 7 | The thigh bone's connected to it, as per the song |
| 39% | PHYSICAL | 8 | Olivia Newton-John's song to get you off the couch |
| 39% | MALL | 4 | "Let's Go to the ___," song by Robin Sparkles |
| 39% | DOLITTLE | 8 | Film where Robert Downey Jr. talks to the animals |
| 39% | STABLEBOY | 9 | Person in a barn who tends to the animals |
| 39% | EIEIO | 5 | Children's song refrain found at the starts of 17-, 26-, 35-, 50- and 57-Across |
| 39% | HAIL | 4 | “___ to the Chief” (presidential “theme song”) |
| 39% | BONE | 4 | "Bad to the ___" (1982 song) |
| 39% | CORE | 4 | "Rotten to the ___" ("Descendants" song) |
| 39% | ELMO | 4 | Children's TV character who's the only non-human to testify before Congress |
| 39% | SIMON | 5 | ___ Says, children's game where the objective is to follow the instructions |
| 39% | YMCA | 4 | "It's fun to stay at the___" (1978 song lyric) |
| 39% | NELLIE | 6 | — the Elephant, children’s song written in 1956 |