THE SCREENING ROOM: Megan Hilty, Jane Krakowski, Alec Baldwin and More Sing "Brotherhood of Man" in NBC Super Bowl Promo

During the Feb. 5 Super Bowl NBC launched its “Brotherhood Of Man” network promo.

Cast members of NBC shows, including “Smash,” “30 Rock,” “Parks & Recreation,” and “Parenthood,” performed Frank Loesser’s classic song from How to Succeed in Business without Really Trying. (The revival of the musical is currently playing Broadway's Al Hirschfeld Theatre.)

To watch the promo, which features the vocals of Alec Baldwin, Jane Krakowski, Megan Hilty and more, click here and then press play.