. - nsvu, wednesday, 10:00/9:00 central, on nbc. years. >> tomorrow he releases his seventh album. doesn't even look 17. his new hit "am i the only one" off "home." you're not home that often. >> no. >> we're glad you're here with us again. congratulations. >> thank you. >> thank you. well, this cd is really a labor of love. you worked so hard on getting the right mix of songs, right? >> i did. every record you make, the one after is a little more important than the one before and you put a little more time into it trying to hone in on your sound and make it interesting for your fans. feel pretty good about this one. >> last thing you want to be is a one-hit wonder but after the eighth number one, doesn't it just get a little old? >> no. it's better every time. you take less for granted. just being here with you guys is amazing, so much fun being in the city and having a chance to celebrate the record coming out tomorrow. i'll go to the store and pick it up. >> people are saying it's the best cd of your career. do you agree with tha

. - nsvu, wednesday, 10:00/9:00 central, on nbc. >>> it is time for "sara in the city," where sara hainesbig job in the city. >> this time around, she ran away. where did you run away to? >> don't panic. i decided it was time for a break from the cold so i made an escape. i ran off and joined the circus. that's right. i signed up with ringling brothers barnum & bailey and discovered what makes the circus the greatest show on earth. they glide through the air with the greatest of ease. break world records in a contraption called the ball of steel. and tame lions, tigers, and elephants. welcome to the circus, a show that's been around for 142 years, a show that's older than baseball but always changing. >> every year with all of our tours we play 135 cities across the country. >> producers pluck performers from all over the world. when they get together, it's like a mini united nations under the big top. >> we have over 142 performers, and they are doing all sorts of incredible feats. >> well, make that 143 performers, because today i'm joining them. 25 feet in front of me is a circus. ever