pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6727-02_ApShenkin.ps) >>/Users/jc/w/tmp/Tune-6727-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/DftY/1808/Goulding/02_ApShenkin.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Tune-6727-02_ApShenkin.abc 1039 ABC music file with the extracted tune(s)
Tune-6727-02_ApShenkin.ps 35895 PostScript
Tune-6727-02_ApShenkin.txt 1039 Plain-text file with the extracted tune(s)
Tune-6727-get.log 4537 Log file, useful mostly for debugging
Tune-67271-get.log 3633 Log file, useful mostly for debugging
Tune-67275-get.log 10599 Log file, useful mostly for debugging
Tune-67276-get.log 5116 Log file, useful mostly for debugging
Tune-67279-get.log 6275 Log file, useful mostly for debugging
These files should be available for 24 hours.