pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-79864-21281_TRIP_TO_PARIS.ps) >>/Users/jc/w/tmp/Tune-79864-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Kohlers/21281_TRIP_TO_PARIS.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_79864.log 876 Log file, useful mostly for debugging
Tune-79864-21281_TRIP_TO_PARIS.abc 689 ABC music file with the extracted tune(s)
Tune-79864-21281_TRIP_TO_PARIS.ps 35923 PostScript
Tune-79864-21281_TRIP_TO_PARIS.txt 689 Plain-text file with the extracted tune(s)
Tune-79864-get.log 4668 Log file, useful mostly for debugging
These files should be available for 24 hours.