pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-93055-Pipers_Round.ps) >>/Users/jc/w/tmp/Tune-93055-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/JohnWalsh/Pipers_Round.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-93055-10452_Jenny_Dang_the_Weaver-001.svg 12873 Scalable Vector Graphics format
Tune-93055-10452_Jenny_Dang_the_Weaver.abc 473 ABC music file with the extracted tune(s)
Tune-93055-10452_Jenny_Dang_the_Weaver.txt 473 Plain-text file with the extracted tune(s)
Tune-93055-Pipers_Round.abc 1080 ABC music file with the extracted tune(s)
Tune-93055-Pipers_Round.ps 33927 PostScript
Tune-93055-Pipers_Round.txt 1080 Plain-text file with the extracted tune(s)
Tune-93055-get.log 16049 Log file, useful mostly for debugging
These files should be available for 24 hours.