pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6582-32373_COLIN_McKAYS_REEL.ps) >>/Users/jc/w/tmp/Tune-6582-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Kohlers/32373_COLIN_McKAYS_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_65827.log 264661 Log file, useful mostly for debugging
Coll_65829.log 525107 Log file, useful mostly for debugging
Form_6582.log 959 Log file, useful mostly for debugging
Form_65822.log 832 Log file, useful mostly for debugging
Form_65823.log 1691 Log file, useful mostly for debugging
Form_65828.log 832 Log file, useful mostly for debugging
Tune-6582-32373_COLIN_McKAYS_REEL.abc 593 ABC music file with the extracted tune(s)
Tune-6582-32373_COLIN_McKAYS_REEL.ps 35509 PostScript
Tune-6582-32373_COLIN_McKAYS_REEL.txt 593 Plain-text file with the extracted tune(s)
Tune-6582-get.log 4741 Log file, useful mostly for debugging
Tune-65825-get.log 10105 Log file, useful mostly for debugging
These files should be available for 24 hours.