Inifinite Love was recorded prior to the phenomenon that was part of the end date of which calendar?
Infinite Love:  The single was released under Sony Music on 20 December 2012 and was recorded to "instill faith and optimism in people" prior to the predicted doomsday on 21 December 2012. 2012 phenomenon:  This date was regarded as the end-date of a 5,126-year-long cycle in the Mesoamerican Long Count calendar, and as such, festivities to commemorate the date took place on 21 December 2012 in the countries that were part of the Maya civilization (Mexico, Guatemala, Honduras, and El Salvador), with main events at Chichén Itzá in Mexico, and Tikal in Guatemala.
Mesoamerican Long Count