pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3088-Cotillons.ps) >>/Users/jc/w/tmp/Tune-3088-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/DftY/1770/Longman_Cotillons/Cotillons.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_30881.log 939060 Log file, useful mostly for debugging
Tune-3088-Cotillons.abc 38530 ABC music file with the extracted tune(s)
Tune-3088-Cotillons.ps 266634 PostScript
Tune-3088-Cotillons.txt 38530 Plain-text file with the extracted tune(s)
Tune-3088-get.log 20051 Log file, useful mostly for debugging
Tune-30880-get.log 1442 Log file, useful mostly for debugging
Tune-30884-get.log 5576 Log file, useful mostly for debugging
Tune-30885-get.log 1356 Log file, useful mostly for debugging
Tune-30889-get.log 5615 Log file, useful mostly for debugging
These files should be available for 24 hours.