pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-16275-08__1-Jessies_Hornpipe.ps) >>/Users/jc/w/tmp/Tune-16275-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SCD/Book08/08__1-Jessies_Hornpipe.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
Form_16275.log 780 Log file, useful mostly for debugging
Tune-16275-08__1-Jessies_Hornpipe.abc 504 ABC music file with the extracted tune(s)
Tune-16275-08__1-Jessies_Hornpipe.ps 34306 PostScript
Tune-16275-08__1-Jessies_Hornpipe.txt 504 Plain-text file with the extracted tune(s)
Tune-16275-get.log 5130 Log file, useful mostly for debugging
These files should be available for 24 hours.