pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7359-082_Birks_of_Aberfeldie_The.ps) >>/Users/jc/w/tmp/Tune-7359-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Chappell/082_Birks_of_Aberfeldie_The.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_7359.log 455609 Log file, useful mostly for debugging
Coll_73595.log 455610 Log file, useful mostly for debugging
Form_73595.log 862 Log file, useful mostly for debugging
Tune-7359-082_Birks_of_Aberfeldie_The.abc 510 ABC music file with the extracted tune(s)
Tune-7359-082_Birks_of_Aberfeldie_The.ps 35936 PostScript
Tune-7359-082_Birks_of_Aberfeldie_The.txt 510 Plain-text file with the extracted tune(s)
Tune-7359-get.log 5015 Log file, useful mostly for debugging
These files should be available for 24 hours.