pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1624-2160_Haggs_Castle.ps) >>/Users/jc/w/tmp/Tune-1624-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Kerr/MM2/2160_Haggs_Castle.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_16242.log 293212 Log file, useful mostly for debugging
Coll_16243.log 563573 Log file, useful mostly for debugging
Tune-1624-2160_Haggs_Castle.abc 407 ABC music file with the extracted tune(s)
Tune-1624-2160_Haggs_Castle.ps 33974 PostScript
Tune-1624-2160_Haggs_Castle.txt 407 Plain-text file with the extracted tune(s)
Tune-1624-get.log 8787 Log file, useful mostly for debugging
These files should be available for 24 hours.