pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-30764-10052_Quakers_Wife.ps) >>/Users/jc/w/tmp/Tune-30764-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/ERM/10052_Quakers_Wife.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_30764.log 454207 Log file, useful mostly for debugging
Tune-30764-10052_Quakers_Wife.abc 492 ABC music file with the extracted tune(s)
Tune-30764-10052_Quakers_Wife.ps 33961 PostScript
Tune-30764-10052_Quakers_Wife.txt 492 Plain-text file with the extracted tune(s)
Tune-30764-get.log 4554 Log file, useful mostly for debugging
These files should be available for 24 hours.