nashville, that is what was happening there. the big twang, the biggie tar music note dropping. it was the third annual music city new year's celebration. first one though for the big note drop. and in london, london hosts the 2012 summer games and there were about a quarter of a million people there for the fireworks. police say 77 of them were arrested during the event. ♪ and finally, new year's at the vatican. pope benedict delivered the traditional holiday from st. peters. in his address the pope said that young people will fill the future with hope and will become, quote, builders of peace. that was just a taste of how new year's was celebrated. we'll have much more on how the world lit up to ring in 2012 coming up in about 40 minutes.