Holy shit. I found you a lead.
THE PEOPLE YOU LOVE
BECOME GHOSTS INSIDE
OF YOU AND LIKE THIS
YOU KEEP THEM ALIVE
Here's a picture. http://hearttoexplain.com/2011/05/03/ghosts-inside/
Robert Montgomery's art. Beautiful.
"Besides being an artist, Robert Montgomery is also the associate publisher of Dazed&Confused
magazine. Since 2005 he has carried out his WORDS IN THE CITY AT NIGHT project, an ongoing series of text pieces inspired by the Situationist concept of detournement which hijacks advertising space in the city, often illegally, and replaces the advertising with poetry. His poems connect with the traditions of concrete poetry, and Situationism. He makes billboard pieces, recycled sunlight pieces and drawings."
Hope that helps. I'm really sorry about your friend.