這是一首英文兒歌，有非常多的版本。歌曲輕快，搭配動作，適合營火中間，或是需要帶動氣氛的時候唱。
If you’re happy and you know it, clap your hands.(拍手, 拍手)
If you’re happy and you know it, clap your hands.(拍手, 拍手)
If you’re happy and you know it, And you really want to show it,
If you’re happy and you know it, clap your hands.(拍手, 拍手)
If you’re happy and you know it, stomp your feet.(右腳踩地, 左腳踩地)
If you’re happy and you know it, stomp your feet.(右腳踩地, 左腳踩地)
If you’re happy and you know it, And you really want to show it,
If you’re happy and you know it, stomp your feet.(右腳踩地, 左腳踩地)
If you’re happy and you know it, shout hooray.(喊 hurray!)
If you’re happy and you know it, shout hooray.(喊 hurray!)
If you’re happy and you know it, And you really want to show it,
If you’re happy and you know it, shout hooray!(喊 hurray!)
If you’re happy and you know it, do all three! (拍手, 拍手, 右腳踩地, 左腳踩地, 喊 hurray!)
If you’re happy and you know it, do all three! (拍手, 拍手, 右腳踩地, 左腳踩地, 喊 hurray!)
If you’re happy and you know it, And you really want to show it,
If you’re happy and you know it, do all three! (拍手, 拍手, 右腳踩地, 左腳踩地, 喊 hurray!)