pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-72706-Tattoo.ps) >>/Users/jc/w/tmp/Tune-72706-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Thompson/Tattoo.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-72706-EFDSS_CDM6.abc 147 ABC music file with the extracted tune(s)
Tune-72706-EFDSS_CDM6.ps 6 PostScript
Tune-72706-EFDSS_CDM6.txt 147 Plain-text file with the extracted tune(s)
Tune-72706-Tattoo.abc 411 ABC music file with the extracted tune(s)
Tune-72706-Tattoo.ps 34007 PostScript
Tune-72706-Tattoo.txt 411 Plain-text file with the extracted tune(s)
Tune-72706-get.log 8302 Log file, useful mostly for debugging
These files should be available for 24 hours.