pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-45646-Book21.ps) >>/Users/jc/w/tmp/Tune-45646-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SCD/Book21.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_45646.log 134308 Log file, useful mostly for debugging
Form_45646.log 761 Log file, useful mostly for debugging
Tune-45646-Book21.abc 567 ABC music file with the extracted tune(s)
Tune-45646-Book21.ps 37652 PostScript
Tune-45646-Book21.txt 567 Plain-text file with the extracted tune(s)
Tune-45646-get.log 4345 Log file, useful mostly for debugging
These files should be available for 24 hours.