pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3859-Boston_Urban_Ceilidh-D-32-3.ps) >>/Users/jc/w/tmp/Tune-3859-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/reel/Boston_Urban_Ceilidh-D-32-3.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_38598.log 134337 Log file, useful mostly for debugging
Form_3859.log 829 Log file, useful mostly for debugging
Form_38592.log 816 Log file, useful mostly for debugging
Form_38594.log 838 Log file, useful mostly for debugging
Tune-3859-Boston_Urban_Ceilidh-D-32-3.abc 306 ABC music file with the extracted tune(s)
Tune-3859-Boston_Urban_Ceilidh-D-32-3.ps 34061 PostScript
Tune-3859-Boston_Urban_Ceilidh-D-32-3.txt 306 Plain-text file with the extracted tune(s)
Tune-3859-get.log 11621 Log file, useful mostly for debugging
Tune-38594-get.log 1401 Log file, useful mostly for debugging
These files should be available for 24 hours.