pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-69974-451_Regatta.ps) >>/Users/jc/w/tmp/Tune-69974-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/DftY/1776/Thompson/451_Regatta.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-69974-451_Regatta.abc 842 ABC music file with the extracted tune(s)
Tune-69974-451_Regatta.ps 34789 PostScript
Tune-69974-451_Regatta.txt 842 Plain-text file with the extracted tune(s)
Tune-69974-get.log 4495 Log file, useful mostly for debugging
These files should be available for 24 hours.