pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-99147-21142_Pibroch_of_Donald_Dhu.ps) >>/Users/jc/w/tmp/Tune-99147-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/ERM/21142_Pibroch_of_Donald_Dhu.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Form_99147.log 940 Log file, useful mostly for debugging
Tune-99147-21142_Pibroch_of_Donald_Dhu.abc 664 ABC music file with the extracted tune(s)
Tune-99147-21142_Pibroch_of_Donald_Dhu.ps 37252 PostScript
Tune-99147-21142_Pibroch_of_Donald_Dhu.txt 664 Plain-text file with the extracted tune(s)
Tune-99147-get.log 4779 Log file, useful mostly for debugging
These files should be available for 24 hours.