Narayan Ji..
Reference:: Sikh Philosophy Network http://www.sikhphilosophy.net/sikh-personalities/27303-bhai-didar-singh-d-1989-forgotten.html
IF its a KIRTAN DARBAR..and its in 2005..then its a LIVE Kirtan darbar held on that DATE.
Reference:: Sikh Philosophy Network http://www.sikhphilosophy.net/showthread.php?t=27303
So the Participants have to be ALIVE in 2005.
One can post a "Kirtan darbar 2005" in 2009...( as a RECORDING)..BUT not the other way around. So I think that this Didar Singh may be idfferent...just a thought..