 Complete the following phrase:  Billboard felt that the surprise performance was hilarious if wholly unnecessary. Caryn Ganz of MTV wrote that the singers were struggled with the nasal vocal performance and the song landed a bit awkwardly in context. Ganz, however, noted that the audience went truly berserk with the ear-splitting response to the performance. Amelia McDonell-Parry of Rolling Stone wrote that Samberg hardly has the pipes to fill an arena, but no one seemed to mind. Samberg felt the performance was surreal, while Timberlake called it a magical moment. Timberlake, who was absent during the Primetime Creative Arts ceremony on September 8, celebrated after being notified of his Emmy win by performing a piano rendition of the song at the Tacoma Dome, Washington. Samberg was willing to perform Dick in a Box with Timberlake at the main 