pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-13751-pvs_irish.ps) >>/Users/jc/w/tmp/Tune-13751-get.log 2>&1" returned status 256
http://www.banjolin.co.uk/tunes/pvs_irish.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_13751.log 1551 Log file, useful mostly for debugging
Tune-13751-get.log 4086 Log file, useful mostly for debugging
Tune-13751-pvs_irish.abc 267 ABC music file with the extracted tune(s)
Tune-13751-pvs_irish.ps 35307 PostScript
Tune-13751-pvs_irish.txt 267 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.