pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4939-Andy_Renwicks_Ferret_1.ps) >>/Users/jc/w/tmp/Tune-4939-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/Scotland/reel/Andy_Renwicks_Ferret_1.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Coll_49390.log 125391 Log file, useful mostly for debugging
Coll_49391.log 282928 Log file, useful mostly for debugging
Coll_49399.log 496485 Log file, useful mostly for debugging
Tune-4939-Andy_Renwicks_Ferret_1.abc 1078 ABC music file with the extracted tune(s)
Tune-4939-Andy_Renwicks_Ferret_1.ps 44809 PostScript
Tune-4939-Andy_Renwicks_Ferret_1.txt 1078 Plain-text file with the extracted tune(s)
Tune-4939-get.log 4713 Log file, useful mostly for debugging
Tune-49394-get.log 46561 Log file, useful mostly for debugging
These files should be available for 24 hours.