pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7149-FatherKelleysR4.ps) >>/Users/jc/w/tmp/Tune-7149-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/500/FatherKelleysR4.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-7149-FatherKelleysR4.abc 569 ABC music file with the extracted tune(s)
Tune-7149-FatherKelleysR4.ps 35545 PostScript
Tune-7149-FatherKelleysR4.txt 569 Plain-text file with the extracted tune(s)
Tune-7149-get.log 5024 Log file, useful mostly for debugging
Tune-71491-get.log 4776 Log file, useful mostly for debugging
Tune-71493-124_General.abc 507 ABC music file with the extracted tune(s)
Tune-71493-124_General.pdf 7766 Portable Data Format
Tune-71493-124_General.ps 31816 PostScript
Tune-71493-124_General.txt 507 Plain-text file with the extracted tune(s)
Tune-71493-get.log 12846 Log file, useful mostly for debugging
Tune-71496-get.log 4828 Log file, useful mostly for debugging
Tune-71497-get.log 1394 Log file, useful mostly for debugging
These files should be available for 24 hours.