pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-39490-Caber_Feidh-C-16-3.ps) >>/Users/jc/w/tmp/Tune-39490-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/Scotland/reel/Caber_Feidh-C-16-3.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Tune-39490-Caber_Feidh-C-16-3.abc 625 ABC music file with the extracted tune(s)
Tune-39490-Caber_Feidh-C-16-3.ps 35588 PostScript
Tune-39490-Caber_Feidh-C-16-3.txt 625 Plain-text file with the extracted tune(s)
Tune-39490-get.log 8189 Log file, useful mostly for debugging
These files should be available for 24 hours.