Underground Resistance Mystery Cache
KnightFamily1980: Sorry, but its time for this one to go.
Thanks to everyone who has visited.
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Difficulty:
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Terrain:
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Size: 
(micro)
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As you may or may not know, I'm very much into my music. Loads of underground bands that you probably wouldn't of heard of, but also some more well know bands. This puzzle is based on a few of the venues I've visited in London to see bands over the last few years, some bigger than others.
A=
B=
C=
D=
N51 01.(A/C)(A-D)(A+B) W000 44.(C+D)(A/C)(A-(D+C)) 
Additional Hints
(Decrypt)
[puzzle] ab pyhr lrg
[cache] haqre ybt, arkg gb fghzc, pbirerq va fgvpxbsyntr