Tracks:
01 First fragment (What I Say - Directions - Honky Tonk (Incomplete))
02 Second fragment (What I Say (Incomplete) - Sanctuary)
03 Fifth fragment (It's About That Time (Incomplete) - Sanctuary)

'3.11.71' is most likely actually from a couple of days during the March 11-14 run. 5 separate fragments of the 'show' exist (listed above) and circulate in various combinations with various levels of incompleteness. 
Lineup:
Miles Davis (trumpet) 
Gary Bartz (alto & soprano saxophone)
Keith Jarrett (electric piano, organ)
Michael Henderson (electric bass)
Jack DeJohnette (drums)
Airto Moreira (percussions)