pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8180-longlist.ps) >>/Users/jc/w/tmp/Tune-8180-get.log 2>&1" returned status 256
http://otterlimits.org/fiddling/tunes/longlist.txt

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_81800.log 133732 Log file, useful mostly for debugging
Tune-8180-get.log 4173 Log file, useful mostly for debugging
Tune-8180-longlist.abc 337 ABC music file with the extracted tune(s)
Tune-8180-longlist.ps 36149 PostScript
Tune-8180-longlist.txt 337 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.