pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-58242-21161_Bothwell_Castle.ps) >>/Users/jc/w/tmp/Tune-58242-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/ERM/21161_Bothwell_Castle.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_58242.log 458410 Log file, useful mostly for debugging
Tune-58242-21161_Bothwell_Castle.abc 731 ABC music file with the extracted tune(s)
Tune-58242-21161_Bothwell_Castle.ps 39118 PostScript
Tune-58242-21161_Bothwell_Castle.txt 731 Plain-text file with the extracted tune(s)
Tune-58242-get.log 4619 Log file, useful mostly for debugging
These files should be available for 24 hours.