pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-91093-411_Adieu.ps) >>/Users/jc/w/tmp/Tune-91093-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/DftY/1776/Thompson/411_Adieu.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Tune-91093-411_Adieu.abc 1111 ABC music file with the extracted tune(s)
Tune-91093-411_Adieu.ps 37686 PostScript
Tune-91093-411_Adieu.txt 1111 Plain-text file with the extracted tune(s)
Tune-91093-get.log 4439 Log file, useful mostly for debugging
These files should be available for 24 hours.