pscmd="(jcabc2ps /Users/jc/w/tmp/Tune-6827-154-BrownMaid.abc -F fmt/pdf_60.fmt +s 0.60 +maxs 2000 )>/Users/jc/w/tmp/Tune-6827-154-BrownMaid.ps 2>>/Users/jc/w/tmp/Tune-6827-get.log" returned status 34304.
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6827-154-BrownMaid.ps) >>/Users/jc/w/tmp/Tune-6827-get.log 2>&1" returned status 256
http://www.oldmusicproject.com/AA2ABC/Abc-0101-200/154-BrownMaid.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_68276.log 1565 Log file, useful mostly for debugging
Tune-6827-154-BrownMaid.abc 1132 ABC music file with the extracted tune(s)
Tune-6827-154-BrownMaid.ps 0 PostScript
Tune-6827-154-BrownMaid.txt 1132 Plain-text file with the extracted tune(s)
Tune-6827-get.log 8569 Log file, useful mostly for debugging
Tune-68271-get.log 4265 Log file, useful mostly for debugging
These files should be available for 24 hours.