pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8832-oneill_moi.ps) >>/Users/jc/w/tmp/Tune-8832-get.log 2>&1" returned status 256
http://montrealsession.cechire.com/assets/abc/oneill_moi.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_88323.log 257739 Log file, useful mostly for debugging
Form_88322.log 1750 Log file, useful mostly for debugging
Form_88329.log 836 Log file, useful mostly for debugging
Tune-8832-get.log 4404 Log file, useful mostly for debugging
Tune-8832-oneill_moi.abc 422 ABC music file with the extracted tune(s)
Tune-8832-oneill_moi.ps 34999 PostScript
Tune-8832-oneill_moi.txt 422 Plain-text file with the extracted tune(s)
Tune-88320-get.log 3128 Log file, useful mostly for debugging
Tune-88321-get.log 3330 Log file, useful mostly for debugging
Tune-88326-get.log 1686 Log file, useful mostly for debugging
Tune-88328-get.log 3450 Log file, useful mostly for debugging
Tune-88329-get.log 3105 Log file, useful mostly for debugging
These files should be available for 24 hours.