pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-78055-085_Boatie_Rows_The.ps) >>/Users/jc/w/tmp/Tune-78055-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Chappell/085_Boatie_Rows_The.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-78055-085_Boatie_Rows_The.abc 473 ABC music file with the extracted tune(s)
Tune-78055-085_Boatie_Rows_The.ps 36027 PostScript
Tune-78055-085_Boatie_Rows_The.txt 473 Plain-text file with the extracted tune(s)
Tune-78055-10421_Begone_Dull_Care.abc 905 ABC music file with the extracted tune(s)
Tune-78055-10421_Begone_Dull_Care.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-78055-10421_Begone_Dull_Care.ps 35719 PostScript
Tune-78055-10421_Begone_Dull_Care.txt 905 Plain-text file with the extracted tune(s)
Tune-78055-get.log 10309 Log file, useful mostly for debugging
These files should be available for 24 hours.