pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-23746-KissedYestereen.ps) >>/Users/jc/w/tmp/Tune-23746-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/500/KissedYestereen.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-23746-KissedYestereen.abc 469 ABC music file with the extracted tune(s)
Tune-23746-KissedYestereen.ps 34333 PostScript
Tune-23746-KissedYestereen.txt 469 Plain-text file with the extracted tune(s)
Tune-23746-Roslin_Castle_1811.abc 2468 ABC music file with the extracted tune(s)
Tune-23746-Roslin_Castle_1811.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-23746-Roslin_Castle_1811.ps 43203 PostScript
Tune-23746-Roslin_Castle_1811.txt 2468 Plain-text file with the extracted tune(s)
Tune-23746-get.log 10671 Log file, useful mostly for debugging
These files should be available for 24 hours.