pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-49762-10074_JENNYS_BAWBEE.ps) >>/Users/jc/w/tmp/Tune-49762-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Kohlers/10074_JENNYS_BAWBEE.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_49762.log 266066 Log file, useful mostly for debugging
Form_49762.log 846 Log file, useful mostly for debugging
Tune-49762-10074_JENNYS_BAWBEE.abc 465 ABC music file with the extracted tune(s)
Tune-49762-10074_JENNYS_BAWBEE.ps 34287 PostScript
Tune-49762-10074_JENNYS_BAWBEE.txt 465 Plain-text file with the extracted tune(s)
Tune-49762-get.log 4676 Log file, useful mostly for debugging
These files should be available for 24 hours.