pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-74439-Banshees_Wail_Over_The_Mangle_Pit_The_1.ps) >>/Users/jc/w/tmp/Tune-74439-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/irtrad-l/Banshees_Wail_Over_The_Mangle_Pit_The_1.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
Tune-74439-Banshees_Wail_Over_The_Mangle_Pit_The_1.abc 441 ABC music file with the extracted tune(s)
Tune-74439-Banshees_Wail_Over_The_Mangle_Pit_The_1.ps 35016 PostScript
Tune-74439-Banshees_Wail_Over_The_Mangle_Pit_The_1.txt 441 Plain-text file with the extracted tune(s)
Tune-74439-get.log 5726 Log file, useful mostly for debugging
These files should be available for 24 hours.