Do you hear what I hear? It's the sound of Broadway stars caroling, as Broadway.com celebrates the holidays with a seasonal flashback each day. On December 8, Grammy winner Alicia Keys is celebrating opening night of Lydia R. Diamond's Stick Fly, which features music by Keys in addition to her role as a lead producer of the play. In 2004 Keys not only took on co-host duties during a visit to Live with Regis and Kelly, but the singer also sat down at the piano to wow the crowd with a soothing rendition of "O Holy Night." Not enough Alicia awesomeness for you? Keys also helped ring in the holiday season at the 2009 Rockefeller Center Christmas tree lighting by putting a female spin on the Christmas classic "The Little Drummer Boy" Check out the clips below!