pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-81379-GlenburnieRant_a.ps) >>/Users/jc/w/tmp/Tune-81379-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/500/GlenburnieRant_a.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-81379-GlenburnieRant_a.abc 494 ABC music file with the extracted tune(s)
Tune-81379-GlenburnieRant_a.ps 34291 PostScript
Tune-81379-GlenburnieRant_a.txt 494 Plain-text file with the extracted tune(s)
Tune-81379-Jack_Austins_Humour-001.svg 10229 Scalable Vector Graphics format
Tune-81379-Jack_Austins_Humour.abc 414 ABC music file with the extracted tune(s)
Tune-81379-Jack_Austins_Humour.txt 414 Plain-text file with the extracted tune(s)
Tune-81379-get.log 9367 Log file, useful mostly for debugging
These files should be available for 24 hours.