pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8775-HeveynuShalomAleychem.ps) >>/Users/jc/w/tmp/Tune-8775-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/israel/HeveynuShalomAleychem.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_87759.log 794345 Log file, useful mostly for debugging
Form_87751.log 1207 Log file, useful mostly for debugging
Form_87754.log 875 Log file, useful mostly for debugging
Tune-8775-HeveynuShalomAleychem.abc 514 ABC music file with the extracted tune(s)
Tune-8775-HeveynuShalomAleychem.ps 34171 PostScript
Tune-8775-HeveynuShalomAleychem.txt 514 Plain-text file with the extracted tune(s)
Tune-8775-get.log 4605 Log file, useful mostly for debugging
Tune-87750-get.log 50471 Log file, useful mostly for debugging
Tune-87758-get.log 11716 Log file, useful mostly for debugging
These files should be available for 24 hours.