pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3593-Untitled_Hornpipe_I_not_available_here.ps) >>/Users/jc/w/tmp/Tune-3593-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/gradcenter.marlboro.edu/abc/Helperby/Untitled_Hornpipe_I_not_available_here.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_35931.log 407406 Log file, useful mostly for debugging
Coll_35932.log 278001 Log file, useful mostly for debugging
Tune-3593-Untitled_Hornpipe_I_not_available_here.abc 196 ABC music file with the extracted tune(s)
Tune-3593-Untitled_Hornpipe_I_not_available_here.ps 31036 PostScript
Tune-3593-Untitled_Hornpipe_I_not_available_here.txt 196 Plain-text file with the extracted tune(s)
Tune-3593-get.log 5340 Log file, useful mostly for debugging
Tune-35933-get.log 4185 Log file, useful mostly for debugging
Tune-35936-get.log 5248 Log file, useful mostly for debugging
These files should be available for 24 hours.