pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-90843-Ill_be_Married.ps) >>/Users/jc/w/tmp/Tune-90843-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/JohnWalsh/Ill_be_Married.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-90843-AbrahamMackintosh.abc 153 ABC music file with the extracted tune(s)
Tune-90843-AbrahamMackintosh.pdf 2217 Portable Data Format
Tune-90843-AbrahamMackintosh.ps 6 PostScript
Tune-90843-AbrahamMackintosh.txt 153 Plain-text file with the extracted tune(s)
Tune-90843-Ill_be_Married.abc 910 ABC music file with the extracted tune(s)
Tune-90843-Ill_be_Married.ps 34583 PostScript
Tune-90843-Ill_be_Married.txt 910 Plain-text file with the extracted tune(s)
Tune-90843-get.log 9618 Log file, useful mostly for debugging
These files should be available for 24 hours.