pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-19110-Speed_Plough.ps) >>/Users/jc/w/tmp/Tune-19110-get.log 2>&1" returned status 256
http://www.thursdaycontra.com/~spuds/tunes/reels/Speed_Plough.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_19110.log 789 Log file, useful mostly for debugging
Tune-19110-Speed_Plough.abc 354 ABC music file with the extracted tune(s)
Tune-19110-Speed_Plough.ps 35282 PostScript
Tune-19110-Speed_Plough.txt 354 Plain-text file with the extracted tune(s)
Tune-19110-get.log 4456 Log file, useful mostly for debugging
These files should be available for 24 hours.