pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-25881-abc_tutorial_mansfield_1.ps) >>/Users/jc/w/tmp/Tune-25881-get.log 2>&1" returned status 256
http://dickatlee.com/music/abc_tutorial/abc_tutorial_mansfield_1.htm

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_25881.log 1657 Log file, useful mostly for debugging
Tune-25881-abc_tutorial_mansfield_1.abc 272 ABC music file with the extracted tune(s)
Tune-25881-abc_tutorial_mansfield_1.ps 34401 PostScript
Tune-25881-abc_tutorial_mansfield_1.txt 272 Plain-text file with the extracted tune(s)
Tune-25881-get.log 4630 Log file, useful mostly for debugging
These files should be available for 24 hours.