pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7387-RRtunes.ps) >>/Users/jc/w/tmp/Tune-7387-get.log 2>&1" returned status 256
http://www.gulfweb.net/rlwalker/abc/RRtunes.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
Find_7387.log 1572 Log file, useful mostly for debugging
Form_73876.log 843 Log file, useful mostly for debugging
Tune-7387-RRtunes.abc 341 ABC music file with the extracted tune(s)
Tune-7387-RRtunes.ps 35169 PostScript
Tune-7387-RRtunes.txt 341 Plain-text file with the extracted tune(s)
Tune-7387-get.log 4122 Log file, useful mostly for debugging
Tune-73871-get.log 1398 Log file, useful mostly for debugging
Tune-73873-get.log 2798 Log file, useful mostly for debugging
These files should be available for 24 hours.