pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2636-hnsl0.ps) >>/Users/jc/w/tmp/Tune-2636-get.log 2>&1" returned status 256
http://www.gulfweb.net/rlwalker/abc/!ABCCollections/HenryNorbeckCollection/hnsl0.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_26369.log 134337 Log file, useful mostly for debugging
Find_26365.log 1515 Log file, useful mostly for debugging
Tune-2636-get.log 4500 Log file, useful mostly for debugging
Tune-2636-hnsl0.abc 412 ABC music file with the extracted tune(s)
Tune-2636-hnsl0.ps 34698 PostScript
Tune-2636-hnsl0.txt 412 Plain-text file with the extracted tune(s)
Tune-26361-get.log 3505 Log file, useful mostly for debugging
Tune-26365-get.log 0 Log file, useful mostly for debugging
Tune-26368-get.log 1769 Log file, useful mostly for debugging
These files should be available for 24 hours.