pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3832-MrsBlairsJig_G-BS.ps) >>/Users/jc/w/tmp/Tune-3832-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SCD/Book18/MrsBlairsJig_G-BS.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Tune-3832-MrsBlairsJig_G-BS.abc 405 ABC music file with the extracted tune(s)
Tune-3832-MrsBlairsJig_G-BS.ps 35094 PostScript
Tune-3832-MrsBlairsJig_G-BS.txt 405 Plain-text file with the extracted tune(s)
Tune-3832-get.log 4874 Log file, useful mostly for debugging
Tune-38322-Percy-Browns-Waltz-for-the-Veleta.abc 622 ABC music file with the extracted tune(s)
Tune-38322-Percy-Browns-Waltz-for-the-Veleta.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-38322-Percy-Browns-Waltz-for-the-Veleta.ps 35342 PostScript
Tune-38322-Percy-Browns-Waltz-for-the-Veleta.txt 622 Plain-text file with the extracted tune(s)
Tune-38322-get.log 6544 Log file, useful mostly for debugging
These files should be available for 24 hours.