pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-40601-Vwml_anon_1.ps) >>/Users/jc/w/tmp/Tune-40601-get.log 2>&1" returned status 256
http://www.village-music-project.org.uk/abc/Vwml_anon_1.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
Tune-40601-Vwml_anon_1.abc 354 ABC music file with the extracted tune(s)
Tune-40601-Vwml_anon_1.ps 34272 PostScript
Tune-40601-Vwml_anon_1.txt 354 Plain-text file with the extracted tune(s)
Tune-40601-get.log 4510 Log file, useful mostly for debugging
These files should be available for 24 hours.