pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2757-1262_Hello_Speaker.ps) >>/Users/jc/w/tmp/Tune-2757-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/GoldenBookOfFavoriteSongs/1262_Hello_Speaker.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Find_27575.log 1615 Log file, useful mostly for debugging
Form_27579.log 884 Log file, useful mostly for debugging
Tune-2757-1262_Hello_Speaker.abc 497 ABC music file with the extracted tune(s)
Tune-2757-1262_Hello_Speaker.ps 31128 PostScript
Tune-2757-1262_Hello_Speaker.txt 497 Plain-text file with the extracted tune(s)
Tune-2757-get.log 4717 Log file, useful mostly for debugging
Tune-27570-get.log 99748 Log file, useful mostly for debugging
Tune-27575-get.log 5504 Log file, useful mostly for debugging
These files should be available for 24 hours.