pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-27186-Challeeny_vacca_shu_sheorshe.ps) >>/Users/jc/w/tmp/Tune-27186-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/CMCIT/Challeeny_vacca_shu_sheorshe.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-27186-Challeeny_vacca_shu_sheorshe.abc 1331 ABC music file with the extracted tune(s)
Tune-27186-Challeeny_vacca_shu_sheorshe.ps 50399 PostScript
Tune-27186-Challeeny_vacca_shu_sheorshe.txt 1331 Plain-text file with the extracted tune(s)
Tune-27186-Little_Fishie.abc 429 ABC music file with the extracted tune(s)
Tune-27186-Little_Fishie.pdf 16131 Portable Data Format
Tune-27186-Little_Fishie.ps 36026 PostScript
Tune-27186-Little_Fishie.txt 429 Plain-text file with the extracted tune(s)
Tune-27186-get.log 10336 Log file, useful mostly for debugging
These files should be available for 24 hours.