pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7365-alltunes.ps) >>/Users/jc/w/tmp/Tune-7365-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SCD/RoyGoldring/15SD/alltunes.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
Tune-7365-alltunes.abc 1118 ABC music file with the extracted tune(s)
Tune-7365-alltunes.ps 39498 PostScript
Tune-7365-alltunes.txt 1118 Plain-text file with the extracted tune(s)
Tune-7365-get.log 4484 Log file, useful mostly for debugging
Tune-73650-get.log 2917371 Log file, useful mostly for debugging
Tune-73656-get.log 2960 Log file, useful mostly for debugging
These files should be available for 24 hours.