pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2291-Aye_Afloat.ps) >>/Users/jc/w/tmp/Tune-2291-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/MAJ/strath/Aye_Afloat.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Coll_22917.log 18816 Log file, useful mostly for debugging
Form_2291.log 917 Log file, useful mostly for debugging
Form_22911.log 934 Log file, useful mostly for debugging
Form_22914.log 928 Log file, useful mostly for debugging
Form_22918.log 904 Log file, useful mostly for debugging
Tune-2291-Aye_Afloat.abc 396 ABC music file with the extracted tune(s)
Tune-2291-Aye_Afloat.ps 36612 PostScript
Tune-2291-Aye_Afloat.txt 396 Plain-text file with the extracted tune(s)
Tune-2291-get.log 4714 Log file, useful mostly for debugging
Tune-22910-get.log 3454 Log file, useful mostly for debugging
Tune-22912-get.log 4293 Log file, useful mostly for debugging
Tune-22916-get.log 3318 Log file, useful mostly for debugging
These files should be available for 24 hours.