pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5199-10721-Soldiers_Adieu-V1.ps) >>/Users/jc/w/tmp/Tune-5199-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/ERM/10721-Soldiers_Adieu-V1.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_5199.log 911217 Log file, useful mostly for debugging
Coll_51993.log 454211 Log file, useful mostly for debugging
Coll_51994.log 459810 Log file, useful mostly for debugging
Coll_51999.log 464009 Log file, useful mostly for debugging
Form_51990.log 1010 Log file, useful mostly for debugging
Tune-5199-10721-Soldiers_Adieu-V1.abc 1499 ABC music file with the extracted tune(s)
Tune-5199-10721-Soldiers_Adieu-V1.ps 42495 PostScript
Tune-5199-10721-Soldiers_Adieu-V1.txt 1499 Plain-text file with the extracted tune(s)
Tune-5199-get.log 4648 Log file, useful mostly for debugging
Tune-51990-get.log 1380 Log file, useful mostly for debugging
These files should be available for 24 hours.