pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6831-threetwo.ps) >>/Users/jc/w/tmp/Tune-6831-get.log 2>&1" returned status 256
http://montrealsession.cechire.com/assets/abc/threetwo.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_68310.log 69584 Log file, useful mostly for debugging
Coll_68319.log 273729 Log file, useful mostly for debugging
Form_68314.log 753 Log file, useful mostly for debugging
Form_68317.log 828 Log file, useful mostly for debugging
Tune-6831-get.log 8089 Log file, useful mostly for debugging
Tune-6831-threetwo.abc 232 ABC music file with the extracted tune(s)
Tune-6831-threetwo.ps 32821 PostScript
Tune-6831-threetwo.txt 232 Plain-text file with the extracted tune(s)
Tune-68311-get.log 3815 Log file, useful mostly for debugging
Tune-68312-get.log 3190 Log file, useful mostly for debugging
Tune-68315-Turnpike_Reel.abc 465 ABC music file with the extracted tune(s)
Tune-68315-Turnpike_Reel.malt 2234 Musical Instrument Digital Interface, alternate name for midi format
Tune-68315-Turnpike_Reel.mid 2234 Musical Instrument Digital interface, shortened name for midi format
Tune-68315-Turnpike_Reel.midi 2234 Musical Instrument Digital Interface, electronic version of the tune(s)
Tune-68315-Turnpike_Reel.txt 465 Plain-text file with the extracted tune(s)
Tune-68315-get.log 8266 Log file, useful mostly for debugging
These files should be available for 24 hours.