X:1 not found in http://www.math.mun.ca/~bshawyer/englishabc/Margaret's Waltz (alternative tune).abc
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-50681-Margaret.ps) >>/Users/jc/w/tmp/Tune-50681-get.log 2>&1" returned status 256
http://www.math.mun.ca/~bshawyer/englishabc/Margaret's Waltz (alternative tune).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_50681.log 62834 Log file, useful mostly for debugging
Tune-50681-Margaret.abc 0 ABC music file with the extracted tune(s)
Tune-50681-Margaret.ps 6 PostScript
Tune-50681-Margaret.txt 0 Plain-text file with the extracted tune(s)
Tune-50681-get.log 4504 Log file, useful mostly for debugging
These files should be available for 24 hours.