If you're happy and you know it - 宝宝巴士If you're happy and you know itClap your hands clap clapIf you're happy and you know itClap your hands clap clapIf you're happy and you know itAnd you really want to show itIf you're happy and you know itClap your hands clap clapIf you're angry and you know itStomp your feet stomp stompIf you're angry and you know itStomp your feet stomp stompIf you're angry and you know itAnd you really want to show itIf you're angry and you know itStomp your feet stomp stompIf you're sad and you know itCry out loud boo hooIf you're sad and you know itCry out loud boo hooIf you're sad and you know itAnd you really want to show itIf you're sad and you know itCry out loud boo hooIf you're sleepy and you know itGive a yawn yawnIf you're sleepy and you know itGive a yawn yawnIf you're sleepy and you know itAnd you really want to show itIf you're sleepy and you know itGive a yawn yawnIf you