pscmd="(jcabc2ps /Users/jc/w/tmp/Tune-50328-wsgm_ABC.abc -F fmt/pdf_60.fmt +s 0.60 +maxs 2000 )>/Users/jc/w/tmp/Tune-50328-wsgm_ABC.ps 2>>/Users/jc/w/tmp/Tune-50328-get.log" returned status 256.
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-50328-wsgm_ABC.ps) >>/Users/jc/w/tmp/Tune-50328-get.log 2>&1" returned status 256
http://www.capeirish.com/webabc/working/source.folders/wsgm/wsgm_ABC.txt

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_50328.log 1611 Log file, useful mostly for debugging
Tune-50328-get.log 4678 Log file, useful mostly for debugging
Tune-50328-wsgm_ABC.abc 820 ABC music file with the extracted tune(s)
Tune-50328-wsgm_ABC.ps 30729 PostScript
Tune-50328-wsgm_ABC.txt 820 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.