pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7512-Book25.ps) >>/Users/jc/w/tmp/Tune-7512-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SCD/Book25.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
Find_7512.log 1842 Log file, useful mostly for debugging
Find_75120.log 1788 Log file, useful mostly for debugging
Find_75121.log 1497 Log file, useful mostly for debugging
Form_75125.log 2538 Log file, useful mostly for debugging
Tune-7512-Book25.abc 568 ABC music file with the extracted tune(s)
Tune-7512-Book25.ps 26808 PostScript
Tune-7512-Book25.txt 568 Plain-text file with the extracted tune(s)
Tune-7512-get.log 4059 Log file, useful mostly for debugging
Tune-75120-get.log 5202 Log file, useful mostly for debugging
Tune-75122-get.log 4071 Log file, useful mostly for debugging
These files should be available for 24 hours.