pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2700-p-q.ps) >>/Users/jc/w/tmp/Tune-2700-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/terra.es/personal8/niltoni/p-q.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
Coll_27000.log 307771 Log file, useful mostly for debugging
Form_27002.log 742 Log file, useful mostly for debugging
Form_27003.log 738 Log file, useful mostly for debugging
Tune-2700-get.log 4523 Log file, useful mostly for debugging
Tune-2700-p-q.abc 854 ABC music file with the extracted tune(s)
Tune-2700-p-q.ps 45574 PostScript
Tune-2700-p-q.txt 854 Plain-text file with the extracted tune(s)
Tune-27003-get.log 10219 Log file, useful mostly for debugging
Tune-27008-72nds_Farewell_to_Aberdeen-D-32-2.malt 3906 Musical Instrument Digital Interface, alternate name for midi format
Tune-27008-72nds_Farewell_to_Aberdeen-D-32-2.mid 3906 Musical Instrument Digital interface, shortened name for midi format
Tune-27008-72nds_Farewell_to_Aberdeen-D-32-2.midi 3906 Musical Instrument Digital Interface, electronic version of the tune(s)
Tune-27008-get.log 4202 Log file, useful mostly for debugging
These files should be available for 24 hours.