pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-24624-21263_THE_MAIDS_OF_ISLA.ps) >>/Users/jc/w/tmp/Tune-24624-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Kohlers/21263_THE_MAIDS_OF_ISLA.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Form_24624.log 838 Log file, useful mostly for debugging
Tune-24624-21263_THE_MAIDS_OF_ISLA.abc 661 ABC music file with the extracted tune(s)
Tune-24624-21263_THE_MAIDS_OF_ISLA.ps 38961 PostScript
Tune-24624-21263_THE_MAIDS_OF_ISLA.txt 661 Plain-text file with the extracted tune(s)
Tune-24624-get.log 4799 Log file, useful mostly for debugging
These files should be available for 24 hours.