He had one with stevie wonder as well. Ebony and Ivory or is that included in the 25.
Thats is one of the three with him credited by name, Ebony & Ivory with Stevie Wonder, Pipes Of Peace & Ferry Across The Mersey plus 4 other charity records Do they know its Christmas by Band Aid &Band Aid 20, Let It Be by Ferry Aid & He Ain't Heavy, He's my brother by Justive Collective
Also other useless fact from Wiki he appeared on the best selling single of each of the 60s, 70s & 80s with She Loves You, Mull of Kintyre & Do they know is Christmas not sure which is worse but Mull Of Kintyre is down there with the best bad songs of all time