pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-56527-21102_DONALD_QUAICH.ps) >>/Users/jc/w/tmp/Tune-56527-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Kohlers/21102_DONALD_QUAICH.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_56527.log 266066 Log file, useful mostly for debugging
Tune-56527-21102_DONALD_QUAICH.abc 567 ABC music file with the extracted tune(s)
Tune-56527-21102_DONALD_QUAICH.ps 36215 PostScript
Tune-56527-21102_DONALD_QUAICH.txt 567 Plain-text file with the extracted tune(s)
Tune-56527-get.log 4673 Log file, useful mostly for debugging
These files should be available for 24 hours.