pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-94816-Lucky_Dick.ps) >>/Users/jc/w/tmp/Tune-94816-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/JohnWalsh/Lucky_Dick.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-94816-Lucky_Dick.abc 1153 ABC music file with the extracted tune(s)
Tune-94816-Lucky_Dick.ps 35687 PostScript
Tune-94816-Lucky_Dick.txt 1153 Plain-text file with the extracted tune(s)
Tune-94816-Sallys_Taste.abc 454 ABC music file with the extracted tune(s)
Tune-94816-Sallys_Taste.ps 34335 PostScript
Tune-94816-Sallys_Taste.txt 454 Plain-text file with the extracted tune(s)
Tune-94816-get.log 8939 Log file, useful mostly for debugging
These files should be available for 24 hours.