pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-81987-2304_Maggie_Browns_Jig.ps) >>/Users/jc/w/tmp/Tune-81987-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Kerr/MM2/2304_Maggie_Browns_Jig.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-81987-2304_Maggie_Browns_Jig.abc 572 ABC music file with the extracted tune(s)
Tune-81987-2304_Maggie_Browns_Jig.ps 36265 PostScript
Tune-81987-2304_Maggie_Browns_Jig.txt 572 Plain-text file with the extracted tune(s)
Tune-81987-Gow-CSR1-abc1.abc 150 ABC music file with the extracted tune(s)
Tune-81987-Gow-CSR1-abc1.pdf 2217 Portable Data Format
Tune-81987-Gow-CSR1-abc1.ps 6 PostScript
Tune-81987-Gow-CSR1-abc1.txt 150 Plain-text file with the extracted tune(s)
Tune-81987-get.log 9810 Log file, useful mostly for debugging
These files should be available for 24 hours.