pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1832-Hennesseys_Hp_G.ps) >>/Users/jc/w/tmp/Tune-1832-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/hornpipe/Hennesseys_Hp_G.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_18324.log 412185 Log file, useful mostly for debugging
Tune-1832-Hennesseys_Hp_G.abc 446 ABC music file with the extracted tune(s)
Tune-1832-Hennesseys_Hp_G.ps 35413 PostScript
Tune-1832-Hennesseys_Hp_G.txt 446 Plain-text file with the extracted tune(s)
Tune-1832-get.log 4516 Log file, useful mostly for debugging
Tune-18321-get.log 4033 Log file, useful mostly for debugging
Tune-18325-get.log 4494 Log file, useful mostly for debugging
Tune-18326-get.log 4148 Log file, useful mostly for debugging
Tune-18327-get.log 4270 Log file, useful mostly for debugging
These files should be available for 24 hours.