 " Mothers of the Disappeared " was performed again on the fourth leg of the Vertigo Tour , on 26 February 2006 in Santiago and 2 March in Buenos Aires . Although it was <unk> by the full band , it was played only by Bono and the Edge in an arrangement similar to the one from the PopMart Tour . The Edge performed the song on a <unk> that Chilean President Ricardo <unk> had given to Bono earlier that day . It was played at three concerts on the third leg of the U2 360 ° Tour in place of " <unk> " . One performance in Istanbul , Turkey , was dedicated to <unk> <unk> , an ethnic <unk> who was kidnapped in October 1995 and subsequently disappeared . The abduction was witnessed by his wife and daughter ; no information regarding his disappearance has ever been released . 
