《天天向上》2013-10-18期，第2节。天天兄弟出场的音乐：伊尔维萨克兄弟 - 狐狸叫。歌词（部分）：A-hee-ahee ha-hee!A-hee-ahee ha-hee!A-hee-ahee ha-hee!WHAT THE FOX SAY?A-oo-oo-oo-ooo!Woo-oo-oo-ooo!WHAT DOES THE FOX SAY?!
