X:1 not found in http://www.math.mun.ca/~bshawyer/straths/JohnLeslieMelville.abc
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4618-JohnLeslieMelville.ps) >>/Users/jc/w/tmp/Tune-4618-get.log 2>&1" returned status 256
http://www.math.mun.ca/~bshawyer/straths/JohnLeslieMelville.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_46183.log 136227 Log file, useful mostly for debugging
Form_46182.log 918 Log file, useful mostly for debugging
Tune-4618-JohnLeslieMelville.abc 0 ABC music file with the extracted tune(s)
Tune-4618-JohnLeslieMelville.ps 6 PostScript
Tune-4618-get.log 2624 Log file, useful mostly for debugging
These files should be available for 24 hours.