pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-80045-KnockandoHouse.ps) >>/Users/jc/w/tmp/Tune-80045-get.log 2>&1" returned status 256
http://www.math.mun.ca/~bshawyer/straths/KnockandoHouse.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
Tune-80045-KnockandoHouse.abc 360 ABC music file with the extracted tune(s)
Tune-80045-KnockandoHouse.ps 39044 PostScript
Tune-80045-KnockandoHouse.txt 360 Plain-text file with the extracted tune(s)
Tune-80045-get.log 4396 Log file, useful mostly for debugging
These files should be available for 24 hours.