Playbill was on hand as country star Carrie Underwood and cast mates from The Sound of Music Live! braved the icy weather to run through several numbers that they will perform in the 87th Macy's Thanksgiving Day Parade. The parade will be broadcast live on NBC on Nov. 28 from 9:00 AM-noon ET. Here, the cast previews "The Sound of Music," "Do-Re-Mi" and "Sixteen Going on Seventeen." The Sound of Music Live! will air Dec. 5 at 8:00 PM ET. Read the Playbill story.