The two-hour telethon, which aired Friday, drew an average audience of 24 million viewers in the United States to watch celebrities performing, telling tales of heroism and answering telephones to take donations.
R&B star Alicia Keys sang “Prelude to a Kiss.” US rapper Jay-Z debuted a song with U2’s Bono and The Edge and Beyonce sang her “Halo” with Coldplay’s Chris Martin on piano.
