pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-21096-luke_master.ps) >>/Users/jc/w/tmp/Tune-21096-get.log 2>&1" returned status 256
http://capeirish.com/ref_lib/~luke/luke_master.html

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_21096.log 65264 Log file, useful mostly for debugging
Tune-21096-get.log 4252 Log file, useful mostly for debugging
Tune-21096-luke_master.abc 450 ABC music file with the extracted tune(s)
Tune-21096-luke_master.ps 36418 PostScript
Tune-21096-luke_master.txt 450 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.