Among the history of the cabins have been the visits of first ladies, and the creation of the song Happy Birthday to You.
Day 7: "Happy Birthday to You" (sung by Tracy's nieces and nephews) played for Tracy Caldwell (it was Caldwell's 38th birthday).
Happy Days | Happy Chandler | Happy Valley | Happy Mondays | Queen's Birthday Honours | The Birthday Massacre | Trigger Happy TV | second happy time | Happy Tree Friends | Happy Meal | Happy-Tom | Happy Feet | These Happy Golden Years | The Happy Prince and Other Tales | Happy Valley, Hong Kong | birthday | The Most Happy Fella | The Happy Ending | The Birthday Dragon | Sticker Happy | Ring 0: Birthday | Queen's Birthday | Madea's Big Happy Family | Happy Valley Reservoir | Happy Valley AA | Happy Hour | Happy Holidays from Drive-Thru Records | Happy Girl | Happy Gilmore | Happy Caldwell |
Finally, "Play Me", which turns the 12-button keypad controller into a musical instrument, allows players to play the songs "Happy Birthday to You", "Twinkle Twinkle Little Star", and "Three Blind Mice".