Grief given voice by music takes the wings and flies to the ear of god from the lips of the sorrowful in a poignant prayer for mercy, grace, and aid.
As words fail me, I turn to the music of others and the performances of others to voice my own sorrow.
Verdi's 'Willow Song' from Otello, final act, second scene (if I recall correctly), as performed by Renee Fleming.
Dido's 'My Lover's Gone' from her album No Angel.
Enya's 'Exile' from her album Watermark.
Howard Shore's 'Evenstar' from the Lord of the Rings: The Two Tower's Soundtrack
Howard Shore's 'Helm's Deep' from the Lord of the Rings: The Two Tower's Soundtrack (specifically the section that starts at 3:22)