pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-56729-3262_Kempshott_Hunt.ps) >>/Users/jc/w/tmp/Tune-56729-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Gow/CSR/3262_Kempshott_Hunt.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_56729.log 259041 Log file, useful mostly for debugging
Tune-56729-3262_Kempshott_Hunt.abc 864 ABC music file with the extracted tune(s)
Tune-56729-3262_Kempshott_Hunt.ps 38812 PostScript
Tune-56729-3262_Kempshott_Hunt.txt 864 Plain-text file with the extracted tune(s)
Tune-56729-get.log 14492 Log file, useful mostly for debugging
These files should be available for 24 hours.