pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9808-ArthursSeatWaltzes.ps) >>/Users/jc/w/tmp/Tune-9808-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/ArthursSeatWaltzes.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_98089.log 179647 Log file, useful mostly for debugging
Tune-9808-ArthursSeatWaltzes.abc 2638 ABC music file with the extracted tune(s)
Tune-9808-ArthursSeatWaltzes.ps 53629 PostScript
Tune-9808-ArthursSeatWaltzes.txt 2638 Plain-text file with the extracted tune(s)
Tune-9808-get.log 5655 Log file, useful mostly for debugging
Tune-98080-get.log 1522 Log file, useful mostly for debugging
Tune-98085-get.log 1454 Log file, useful mostly for debugging
Tune-98086-Glen2.abc 142 ABC music file with the extracted tune(s)
Tune-98086-Glen2.txt 142 Plain-text file with the extracted tune(s)
Tune-98086-get.log 3096 Log file, useful mostly for debugging
Tune-98089-get.log 1262 Log file, useful mostly for debugging
These files should be available for 24 hours.