pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-91154-032.ps) >>/Users/jc/w/tmp/Tune-91154-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/MichaelDabney/12Minuets12Dances/032=Minuet-V2.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Tune-91154-032.abc 1024 ABC music file with the extracted tune(s)
Tune-91154-032.ps 35913 PostScript
Tune-91154-032.txt 1024 Plain-text file with the extracted tune(s)
Tune-91154-get.log 4494 Log file, useful mostly for debugging
These files should be available for 24 hours.