pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8842-1802_Thompson.ps) >>/Users/jc/w/tmp/Tune-8842-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/DftY/1802_Thompson.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_88420.log 280299 Log file, useful mostly for debugging
Coll_88424.log 136152 Log file, useful mostly for debugging
Find_88423.log 1490 Log file, useful mostly for debugging
Find_88425.log 1433 Log file, useful mostly for debugging
Form_88427.log 786 Log file, useful mostly for debugging
Tune-8842-1802_Thompson.abc 615 ABC music file with the extracted tune(s)
Tune-8842-1802_Thompson.ps 33027 PostScript
Tune-8842-1802_Thompson.txt 615 Plain-text file with the extracted tune(s)
Tune-8842-get.log 4158 Log file, useful mostly for debugging
Tune-88420-get.log 3097 Log file, useful mostly for debugging
Tune-88424-Swift-Bm-32-3.abc 522 ABC music file with the extracted tune(s)
Tune-88424-Swift-Bm-32-3.malt 4410 Musical Instrument Digital Interface, alternate name for midi format
Tune-88424-Swift-Bm-32-3.mid 4410 Musical Instrument Digital interface, shortened name for midi format
Tune-88424-Swift-Bm-32-3.midi 4410 Musical Instrument Digital Interface, electronic version of the tune(s)
Tune-88424-Swift-Bm-32-3.txt 522 Plain-text file with the extracted tune(s)
Tune-88424-get.log 4248 Log file, useful mostly for debugging
Tune-88425-Wind_That_Shakes_the_Barley-D-16-2,3-001.svg 53182 Scalable Vector Graphics format
Tune-88425-Wind_That_Shakes_the_Barley-D-16-2,3.abc 2766 ABC music file with the extracted tune(s)
Tune-88425-Wind_That_Shakes_the_Barley-D-16-2,3.txt 2766 Plain-text file with the extracted tune(s)
Tune-88425-get.log 7580 Log file, useful mostly for debugging
Tune-88426-get.log 1545 Log file, useful mostly for debugging
These files should be available for 24 hours.