pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-86721-Planxty_Fanny_Power_RJ.ps) >>/Users/jc/w/tmp/Tune-86721-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Contra/waltz/Planxty_Fanny_Power_RJ.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Coll_86721.log 260559 Log file, useful mostly for debugging
Tune-86721-Planxty_Fanny_Power_RJ.abc 364 ABC music file with the extracted tune(s)
Tune-86721-Planxty_Fanny_Power_RJ.ps 35062 PostScript
Tune-86721-Planxty_Fanny_Power_RJ.txt 364 Plain-text file with the extracted tune(s)
Tune-86721-get.log 4585 Log file, useful mostly for debugging
These files should be available for 24 hours.