pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-761-1321_BIRDS_WALTZ.ps) >>/Users/jc/w/tmp/Tune-761-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/BostonCollection/1321_BIRDS_WALTZ.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_76152.log 149296 Log file, useful mostly for debugging
Sess-7616.log 113695560 Log file, useful mostly for debugging
Tune-761-1321_BIRDS_WALTZ.abc 1254 ABC music file with the extracted tune(s)
Tune-761-1321_BIRDS_WALTZ.ps 44256 PostScript
Tune-761-1321_BIRDS_WALTZ.txt 1254 Plain-text file with the extracted tune(s)
Tune-761-get.log 4752 Log file, useful mostly for debugging
Tune-76104-get.log 1558 Log file, useful mostly for debugging
Tune-76110-get.log 1465 Log file, useful mostly for debugging
Tune-76119-get.log 1599 Log file, useful mostly for debugging
Tune-76123-get.log 1489 Log file, useful mostly for debugging
Tune-76129-get.log 1478 Log file, useful mostly for debugging
Tune-76135-get.log 1430 Log file, useful mostly for debugging
Tune-76142-get.log 1437 Log file, useful mostly for debugging
Tune-76148-get.log 1430 Log file, useful mostly for debugging
Tune-76166-get.log 1513 Log file, useful mostly for debugging
Tune-76172-get.log 1506 Log file, useful mostly for debugging
Tune-76179-get.log 1509 Log file, useful mostly for debugging
Tune-76185-get.log 1532 Log file, useful mostly for debugging
Tune-76191-get.log 1438 Log file, useful mostly for debugging
Tune-76197-get.log 1403 Log file, useful mostly for debugging
These files should be available for 24 hours.