Bing found the following results
Animaniacs SING-ALONG | Yakko’s World | WB Kids - YouTube
Yakko's World | Animaniacs Wiki | Fandom
Animaniacs – Yakko’s World Lyrics | Genius Lyrics
Animaniacs - Yakko's World - HIGH QUALITY - YouTube
Animaniacs - Yakko's World - YouTube
Yakko's World (song) - Looney Tunes Wiki
Yakko's World | Looney Tunes Wiki | Fandom
Animaniacs - Yakko's World Lyrics | Lyrics.com
Yakko's World : Free Download, Borrow, and Streaming : Internet Archive
Yakko's World (album) | Animaniacs Wiki | Fandom