pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5482-133-Mowing_the_Barley-V1.ps) >>/Users/jc/w/tmp/Tune-5482-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EverydaySongBook/133-Mowing_the_Barley-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_54822.log 264661 Log file, useful mostly for debugging
Coll_54823.log 261851 Log file, useful mostly for debugging
Coll_54825.log 329291 Log file, useful mostly for debugging
Coll_54829.log 1238020 Log file, useful mostly for debugging
Form_54821.log 829 Log file, useful mostly for debugging
Form_54822.log 1053 Log file, useful mostly for debugging
Form_54824.log 1640 Log file, useful mostly for debugging
Tune-5482-133-Mowing_the_Barley-V1.abc 2151 ABC music file with the extracted tune(s)
Tune-5482-133-Mowing_the_Barley-V1.ps 38554 PostScript
Tune-5482-133-Mowing_the_Barley-V1.txt 2151 Plain-text file with the extracted tune(s)
Tune-5482-get.log 15568 Log file, useful mostly for debugging
Tune-54820-get.log 1407 Log file, useful mostly for debugging
Tune-54825-get.log 1418 Log file, useful mostly for debugging
Tune-54826-get.log 6497 Log file, useful mostly for debugging
These files should be available for 24 hours.