 Additionally, Chris Martin appeared at an Apple Inc. Special Event on 1 September 2010, playing a number of songs, and also thanked Apple for their assistance in marketing "Viva la Vida".After the death of Steve Jobs, Coldplay performed four songs at Apple's Campus in Cupertino, further thanking Jobs for the support he gave them.Coldplay supports Amnesty International and performed for them at The Secret Policeman's Ball fundraiser in 2012.