We all know how big SMTOWN LIVE '10 is going to be, especially because its coming to Los Angeles this year. Well, it turns out things are only getting better for attendees! SM Entertainment recently held a press conference for the SMTOWN LIVE '10 World Tour, and said it will be held in major cities, including Los Angeles, Tokyo, Shanghai, and other places around Asia. The agency also confirmed that the concert will last around 6 hours, and will feature a total of about 80 songs! To further spice things up, it has been confirmed that some exclusive duet performances will be held just for fans. These include TVXQ's U-Know Yunho & Max Changmin, BoA & SHINee's Key, Super Junior's Kyuhyun & SNSD's Seohyun, and finally Jessica with f(x)'s Krystal. Sounds exciting!