pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-26872-ButtonBoy.ps) >>/Users/jc/w/tmp/Tune-26872-get.log 2>&1" returned status 256
http://www.math.mun.ca/~bshawyer/reels/ButtonBoy.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
Form_26872.log 745 Log file, useful mostly for debugging
Tune-26872-ButtonBoy.abc 267 ABC music file with the extracted tune(s)
Tune-26872-ButtonBoy.ps 35861 PostScript
Tune-26872-ButtonBoy.txt 267 Plain-text file with the extracted tune(s)
Tune-26872-get.log 9006 Log file, useful mostly for debugging
These files should be available for 24 hours.