now, here are kelly ripa and josh groban! [cheers and applause] josh groban! [cheers and applause] ♪

throw out the celine dion, josh groban, james blunt. forget that stuff. it makes you empowered.ives you initiative. necessary for a job. >> look at that. "dancing with the stars" allowed us to have their disco ball. the mirror ball. why is there somebody standing in front of the camera here protecting the disco ball. that's how much abc values the mirror ball. camera here protecting the disco ball. that's how much abc values the mirror ball. we do? i took the trash out. i know. and thank you so much for that. i think we should get a medicare supplement insurance plan. right now? [ male announcer ] whether you're new to medicare or not, you may know it only covers about 80% of your part b medical expenses. it's up to you to pay the difference. so think about an aarp medicare supplement insurance plan, insured by unitedhealthcare insurance company. like all standardized medicare supplement insurance plans, they help cover some of what medicare doesn't pay and could really save you in out-of-pocket medical costs. call now. with a medicare supplement plan, you'll be able to stay wit

forget josh groban and celine dion.you better turn down for what? ♪ i'm all about that bass ♪ bout that bass no treble >> reporter: turns out meghan trainor is right. when it comes to music that makes you feel the most powerful, it's all about that bass. a new study says that listening to certain kinds of music in the office actually make people want to work harder and take more control. >> our work suggests that strategically listening to high-powered music can help you perform better. >> reporter: researchers chose 31 songs from different genres, from pop, rock 'n' roll, reggae, and hip hop. then asked participants to rate how powerful each track makes them feel. topping the high-powered play list, queen's high school gym favorite. ♪ we will we will rock you >> reporter: 2 unlimited's nba staple. ♪ ya'll ready for this >> reporter: and 50 cent's party start anthem. ♪ you can find me in the club >> reporter: turns out people listening to those songs not only felt more pumped up, but they performed better and became mor