pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7172-067_New_merry_Dancers.ps) >>/Users/jc/w/tmp/Tune-7172-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Straight_Skillern/067_New_merry_Dancers.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_71726.log 257739 Log file, useful mostly for debugging
Tune-7172-067_New_merry_Dancers.abc 755 ABC music file with the extracted tune(s)
Tune-7172-067_New_merry_Dancers.ps 35523 PostScript
Tune-7172-067_New_merry_Dancers.txt 755 Plain-text file with the extracted tune(s)
Tune-7172-get.log 6009 Log file, useful mostly for debugging
Tune-71721-get.log 5900 Log file, useful mostly for debugging
These files should be available for 24 hours.