pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4187-Donald_MacLeans_Farewell_to_Oban.ps) >>/Users/jc/w/tmp/Tune-4187-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/bardicrose.com/Donald_MacLeans_Farewell_to_Oban.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_41872.log 131312 Log file, useful mostly for debugging
Coll_41878.log 0 Log file, useful mostly for debugging
Find_41878.log 1619 Log file, useful mostly for debugging
Form_4187.log 846 Log file, useful mostly for debugging
Form_41877.log 823 Log file, useful mostly for debugging
Tune-4187-Donald_MacLeans_Farewell_to_Oban.abc 1131 ABC music file with the extracted tune(s)
Tune-4187-Donald_MacLeans_Farewell_to_Oban.ps 51062 PostScript
Tune-4187-Donald_MacLeans_Farewell_to_Oban.txt 1131 Plain-text file with the extracted tune(s)
Tune-4187-get.log 4994 Log file, useful mostly for debugging
Tune-41874-get.log 4083 Log file, useful mostly for debugging
Tune-41877-get.log 0 Log file, useful mostly for debugging
These files should be available for 24 hours.