pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5342-21031_MAGGY_GOWLACHS_REEL.ps) >>/Users/jc/w/tmp/Tune-5342-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Kohlers/21031_MAGGY_GOWLACHS_REEL.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_5342.log 126679 Log file, useful mostly for debugging
Coll_53421.log 261851 Log file, useful mostly for debugging
Coll_53422.log 250611 Log file, useful mostly for debugging
Coll_53425.log 266066 Log file, useful mostly for debugging
Form_53427.log 952 Log file, useful mostly for debugging
Form_53429.log 1792 Log file, useful mostly for debugging
Tune-5342-21031_MAGGY_GOWLACHS_REEL.abc 510 ABC music file with the extracted tune(s)
Tune-5342-21031_MAGGY_GOWLACHS_REEL.ps 34944 PostScript
Tune-5342-21031_MAGGY_GOWLACHS_REEL.txt 510 Plain-text file with the extracted tune(s)
Tune-5342-get.log 14631 Log file, useful mostly for debugging
Tune-53421-get.log 7813 Log file, useful mostly for debugging
Tune-53422-get.log 11059 Log file, useful mostly for debugging
These files should be available for 24 hours.