pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-27485-042_Goud_a_Goupens.ps) >>/Users/jc/w/tmp/Tune-27485-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Stewart/SCAJMR/042_Goud_a_Goupens.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_27485.log 552232 Log file, useful mostly for debugging
Form_27485.log 852 Log file, useful mostly for debugging
Tune-27485-042_Goud_a_Goupens.abc 702 ABC music file with the extracted tune(s)
Tune-27485-042_Goud_a_Goupens.ps 35724 PostScript
Tune-27485-042_Goud_a_Goupens.txt 702 Plain-text file with the extracted tune(s)
Tune-27485-get.log 4682 Log file, useful mostly for debugging
These files should be available for 24 hours.