pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1308-21171_.ps) >>/Users/jc/w/tmp/Tune-1308-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/ERM/21171_.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Tune-1308-21171_.abc 50 ABC music file with the extracted tune(s)
Tune-1308-21171_.ps 6 PostScript
Tune-1308-21171_.txt 50 Plain-text file with the extracted tune(s)
Tune-1308-get.log 3794 Log file, useful mostly for debugging
Tune-13083-30591_Abraham_Newland-001.svg 13768 Scalable Vector Graphics format
Tune-13083-30591_Abraham_Newland.abc 697 ABC music file with the extracted tune(s)
Tune-13083-30591_Abraham_Newland.txt 697 Plain-text file with the extracted tune(s)
Tune-13083-get.log 4485 Log file, useful mostly for debugging
These files should be available for 24 hours.