pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-47622-21422_THE_ROSE_OF_DENMARK.ps) >>/Users/jc/w/tmp/Tune-47622-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Kohlers/21422_THE_ROSE_OF_DENMARK.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Form_47622.log 847 Log file, useful mostly for debugging
Tune-47622-21422_THE_ROSE_OF_DENMARK.abc 675 ABC music file with the extracted tune(s)
Tune-47622-21422_THE_ROSE_OF_DENMARK.ps 38883 PostScript
Tune-47622-21422_THE_ROSE_OF_DENMARK.txt 675 Plain-text file with the extracted tune(s)
Tune-47622-get.log 4811 Log file, useful mostly for debugging
These files should be available for 24 hours.