pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1237-BonnetsSoBlue.ps) >>/Users/jc/w/tmp/Tune-1237-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/england/BonnetsSoBlue.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_12372.log 246395 Log file, useful mostly for debugging
Coll_12378.log 360200 Log file, useful mostly for debugging
Form_12370.log 1115 Log file, useful mostly for debugging
Form_12373.log 837 Log file, useful mostly for debugging
Form_12374.log 1780 Log file, useful mostly for debugging
Form_12379.log 837 Log file, useful mostly for debugging
Tune-1237-BonnetsSoBlue.abc 1343 ABC music file with the extracted tune(s)
Tune-1237-BonnetsSoBlue.ps 43286 PostScript
Tune-1237-BonnetsSoBlue.txt 1343 Plain-text file with the extracted tune(s)
Tune-1237-get.log 4407 Log file, useful mostly for debugging
Tune-12371-get.log 49383 Log file, useful mostly for debugging
Tune-12373-get.log 5510 Log file, useful mostly for debugging
Tune-12379-get.log 175779 Log file, useful mostly for debugging
These files should be available for 24 hours.