pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-56166-20611_Cuckoo_Song.ps) >>/Users/jc/w/tmp/Tune-56166-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/ERM/20611_Cuckoo_Song.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Form_56166.log 2079 Log file, useful mostly for debugging
Tune-56166-102_Purfleet.abc 673 ABC music file with the extracted tune(s)
Tune-56166-102_Purfleet.pdf 13321 Portable Data Format
Tune-56166-102_Purfleet.ps 33244 PostScript
Tune-56166-102_Purfleet.txt 673 Plain-text file with the extracted tune(s)
Tune-56166-20611_Cuckoo_Song.abc 682 ABC music file with the extracted tune(s)
Tune-56166-20611_Cuckoo_Song.ps 37050 PostScript
Tune-56166-20611_Cuckoo_Song.txt 682 Plain-text file with the extracted tune(s)
Tune-56166-get.log 9900 Log file, useful mostly for debugging
These files should be available for 24 hours.