pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-94100-Coleraine.ps) >>/Users/jc/w/tmp/Tune-94100-get.log 2>&1" returned status 256
http://www.tunearch.org/wiki/Coleraine

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-94100-Coleraine.abc 216 ABC music file with the extracted tune(s)
Tune-94100-Coleraine.ps 34558 PostScript
Tune-94100-Coleraine.txt 216 Plain-text file with the extracted tune(s)
Tune-94100-get.log 4085 Log file, useful mostly for debugging
These files should be available for 24 hours.