pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-93774-151_Mary_Mc_Leods_Cronan.ps) >>/Users/jc/w/tmp/Tune-93774-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Fraser/151_Mary_Mc_Leods_Cronan.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-93774-151_Mary_Mc_Leods_Cronan.abc 1237 ABC music file with the extracted tune(s)
Tune-93774-151_Mary_Mc_Leods_Cronan.ps 39684 PostScript
Tune-93774-151_Mary_Mc_Leods_Cronan.txt 1237 Plain-text file with the extracted tune(s)
Tune-93774-get.log 9772 Log file, useful mostly for debugging
These files should be available for 24 hours.