pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1389-slurs.ps) >>/Users/jc/w/tmp/Tune-1389-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/CharlesZeuner/TremontQuadrilles/slurs.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-1389-get.log 3916 Log file, useful mostly for debugging
Tune-1389-slurs.abc 30 ABC music file with the extracted tune(s)
Tune-1389-slurs.ps 6 PostScript
Tune-1389-slurs.txt 30 Plain-text file with the extracted tune(s)
Tune-13890-get.log 4562 Log file, useful mostly for debugging
Tune-13891-get.log 4588 Log file, useful mostly for debugging
Tune-13892-get.log 7344 Log file, useful mostly for debugging
Tune-13893-get.log 9048 Log file, useful mostly for debugging
Tune-13894-get.log 4749 Log file, useful mostly for debugging
Tune-13895-get.log 8981 Log file, useful mostly for debugging
Tune-13897-get.log 14235 Log file, useful mostly for debugging
Tune-13899-get.log 15276 Log file, useful mostly for debugging
These files should be available for 24 hours.