pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7532-028_the_Hobby_Horse.ps) >>/Users/jc/w/tmp/Tune-7532-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EverydaySongBook/028_the_Hobby_Horse.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_75323.log 135065 Log file, useful mostly for debugging
Coll_75326.log 264661 Log file, useful mostly for debugging
Coll_75328.log 2277215 Log file, useful mostly for debugging
Form_75321.log 822 Log file, useful mostly for debugging
Form_75325.log 966 Log file, useful mostly for debugging
Form_75327.log 822 Log file, useful mostly for debugging
Tune-7532-028_the_Hobby_Horse.abc 857 ABC music file with the extracted tune(s)
Tune-7532-028_the_Hobby_Horse.ps 34237 PostScript
Tune-7532-028_the_Hobby_Horse.txt 857 Plain-text file with the extracted tune(s)
Tune-7532-get.log 4710 Log file, useful mostly for debugging
Tune-75321-get.log 1625 Log file, useful mostly for debugging
Tune-75324-get.log 3674 Log file, useful mostly for debugging
Tune-75326-get.log 5006 Log file, useful mostly for debugging
These files should be available for 24 hours.