pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-25332-1811.ps) >>/Users/jc/w/tmp/Tune-25332-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/CaledonianMusicalRepository/1811.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_25332.log 269559 Log file, useful mostly for debugging
Form_25332.log 739 Log file, useful mostly for debugging
Tune-25332-1811.abc 1735 ABC music file with the extracted tune(s)
Tune-25332-1811.ps 37675 PostScript
Tune-25332-1811.txt 1735 Plain-text file with the extracted tune(s)
Tune-25332-get.log 4206 Log file, useful mostly for debugging
These files should be available for 24 hours.