pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6566-Pols_Sen2.ps) >>/Users/jc/w/tmp/Tune-6566-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/scand/Pols_Sen2.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Find_65664.log 1471 Log file, useful mostly for debugging
Form_65665.log 1105 Log file, useful mostly for debugging
Tune-6566-Pols_Sen2.abc 1566 ABC music file with the extracted tune(s)
Tune-6566-Pols_Sen2.ps 46599 PostScript
Tune-6566-Pols_Sen2.txt 1566 Plain-text file with the extracted tune(s)
Tune-6566-get.log 4299 Log file, useful mostly for debugging
Tune-65660-get.log 5587 Log file, useful mostly for debugging
Tune-65662-get.log 1438 Log file, useful mostly for debugging
Tune-65666-get.log 1585 Log file, useful mostly for debugging
Tune-65668-get.log 6295 Log file, useful mostly for debugging
These files should be available for 24 hours.