pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-72158-Donald_MacLeans_Farewell_to_Oban.ps) >>/Users/jc/w/tmp/Tune-72158-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/BetsyHooper/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
Tune-72158-Donald_MacLeans_Farewell_to_Oban.abc 924 ABC music file with the extracted tune(s)
Tune-72158-Donald_MacLeans_Farewell_to_Oban.ps 49060 PostScript
Tune-72158-Donald_MacLeans_Farewell_to_Oban.txt 924 Plain-text file with the extracted tune(s)
Tune-72158-get.log 6451 Log file, useful mostly for debugging
These files should be available for 24 hours.