pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4214-10071_Bonny_Doon.ps) >>/Users/jc/w/tmp/Tune-4214-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EliasHowe/MusiciansCompanionP1/10071_Bonny_Doon.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_42143.log 457008 Log file, useful mostly for debugging
Coll_42147.log 469611 Log file, useful mostly for debugging
Find_42149.log 1432 Log file, useful mostly for debugging
Tune-4214-10071_Bonny_Doon.abc 1158 ABC music file with the extracted tune(s)
Tune-4214-10071_Bonny_Doon.ps 40483 PostScript
Tune-4214-10071_Bonny_Doon.txt 1158 Plain-text file with the extracted tune(s)
Tune-4214-get.log 4712 Log file, useful mostly for debugging
Tune-42146-get.log 4463 Log file, useful mostly for debugging
These files should be available for 24 hours.