pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1852-oneill_moi.ps) >>/Users/jc/w/tmp/Tune-1852-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_18527.log 148252 Log file, useful mostly for debugging
Form_18522.log 837 Log file, useful mostly for debugging
Form_18526.log 843 Log file, useful mostly for debugging
Tune-1852-get.log 4560 Log file, useful mostly for debugging
Tune-1852-oneill_moi.abc 424 ABC music file with the extracted tune(s)
Tune-1852-oneill_moi.ps 35196 PostScript
Tune-1852-oneill_moi.txt 424 Plain-text file with the extracted tune(s)
Tune-18521-get.log 9224 Log file, useful mostly for debugging
Tune-18522-get.log 2830 Log file, useful mostly for debugging
Tune-18529-get.log 5619 Log file, useful mostly for debugging
These files should be available for 24 hours.