pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5361-161-the_Happy_Farmer-V1.ps) >>/Users/jc/w/tmp/Tune-5361-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EverydaySongBook/161-the_Happy_Farmer-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_53610.log 266066 Log file, useful mostly for debugging
Coll_53612.log 261851 Log file, useful mostly for debugging
Coll_53614.log 260446 Log file, useful mostly for debugging
Form_53618.log 825 Log file, useful mostly for debugging
Tune-5361-161-the_Happy_Farmer-V1.abc 2149 ABC music file with the extracted tune(s)
Tune-5361-161-the_Happy_Farmer-V1.ps 42497 PostScript
Tune-5361-161-the_Happy_Farmer-V1.txt 2149 Plain-text file with the extracted tune(s)
Tune-5361-get.log 4766 Log file, useful mostly for debugging
Tune-53611-get.log 6500 Log file, useful mostly for debugging
Tune-53614-get.log 2874 Log file, useful mostly for debugging
Tune-53617-137_Bottle_and_Glass-001.svg 15920 Scalable Vector Graphics format
Tune-53617-137_Bottle_and_Glass.abc 805 ABC music file with the extracted tune(s)
Tune-53617-137_Bottle_and_Glass.txt 805 Plain-text file with the extracted tune(s)
Tune-53617-get.log 11041 Log file, useful mostly for debugging
These files should be available for 24 hours.