pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3491-Hulls_Reel_set-E,Em,A,D-32-4.ps) >>/Users/jc/w/tmp/Tune-3491-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/session/NYE/reel/Hulls_Reel_set-E,Em,A,D-32-4.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Coll_34910.log 268638 Log file, useful mostly for debugging
Tune-3491-Hulls_Reel_set-E,Em,A,D-32-4.abc 531 ABC music file with the extracted tune(s)
Tune-3491-Hulls_Reel_set-E,Em,A,D-32-4.ps 35939 PostScript
Tune-3491-Hulls_Reel_set-E,Em,A,D-32-4.txt 531 Plain-text file with the extracted tune(s)
Tune-3491-get.log 5712 Log file, useful mostly for debugging
Tune-34910-get.log 4870 Log file, useful mostly for debugging
Tune-34911-get.log 3898 Log file, useful mostly for debugging
These files should be available for 24 hours.