pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5349-FergusMcIver2.ps) >>/Users/jc/w/tmp/Tune-5349-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Scotland/FergusMcIver2.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
Form_53494.log 828 Log file, useful mostly for debugging
Form_53499.log 812 Log file, useful mostly for debugging
Tune-5349-FergusMcIver2.abc 456 ABC music file with the extracted tune(s)
Tune-5349-FergusMcIver2.ps 34602 PostScript
Tune-5349-FergusMcIver2.txt 456 Plain-text file with the extracted tune(s)
Tune-5349-get.log 4338 Log file, useful mostly for debugging
Tune-53490-get.log 3005 Log file, useful mostly for debugging
Tune-53492-get.log 3627 Log file, useful mostly for debugging
Tune-53492-reelsr-t.abc 577 ABC music file with the extracted tune(s)
Tune-53492-reelsr-t.malt 4856 Musical Instrument Digital Interface, alternate name for midi format
Tune-53492-reelsr-t.mid 4856 Musical Instrument Digital interface, shortened name for midi format
Tune-53492-reelsr-t.midi 4856 Musical Instrument Digital Interface, electronic version of the tune(s)
Tune-53492-reelsr-t.txt 577 Plain-text file with the extracted tune(s)
Tune-53494-get.log 1706 Log file, useful mostly for debugging
Tune-53495-get.log 3240 Log file, useful mostly for debugging
Tune-53497-get.log 4019 Log file, useful mostly for debugging
These files should be available for 24 hours.