pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3896-23__1-Alltshellach.ps) >>/Users/jc/w/tmp/Tune-3896-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SCD/Book23/23__1-Alltshellach.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
Coll_38963.log 318076 Log file, useful mostly for debugging
Tune-3896-23__1-Alltshellach.abc 426 ABC music file with the extracted tune(s)
Tune-3896-23__1-Alltshellach.ps 36626 PostScript
Tune-3896-23__1-Alltshellach.txt 426 Plain-text file with the extracted tune(s)
Tune-3896-get.log 4419 Log file, useful mostly for debugging
These files should be available for 24 hours.