pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-19275-32533_MARMOTS_REEL.ps) >>/Users/jc/w/tmp/Tune-19275-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Kohlers/32533_MARMOTS_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_19275.log 318051 Log file, useful mostly for debugging
Form_19275.log 825 Log file, useful mostly for debugging
Tune-19275-32533_MARMOTS_REEL.abc 492 ABC music file with the extracted tune(s)
Tune-19275-32533_MARMOTS_REEL.ps 34929 PostScript
Tune-19275-32533_MARMOTS_REEL.txt 492 Plain-text file with the extracted tune(s)
Tune-19275-get.log 50606 Log file, useful mostly for debugging
These files should be available for 24 hours.