pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3322-Bruce_OBriens_Refusal.ps) >>/Users/jc/w/tmp/Tune-3322-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/CuzTeahan/SliabhLuachroOnParade/Bruce_OBriens_Refusal.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_33226.log 816 Log file, useful mostly for debugging
Tune-3322-Bruce_OBriens_Refusal.abc 363 ABC music file with the extracted tune(s)
Tune-3322-Bruce_OBriens_Refusal.ps 33465 PostScript
Tune-3322-Bruce_OBriens_Refusal.txt 363 Plain-text file with the extracted tune(s)
Tune-3322-get.log 4873 Log file, useful mostly for debugging
These files should be available for 24 hours.