pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1111-0824_PETER_STREET_DANCE.ps) >>/Users/jc/w/tmp/Tune-1111-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/BostonCollection/0824_PETER_STREET_DANCE.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_11111.log 827 Log file, useful mostly for debugging
Form_11119.log 827 Log file, useful mostly for debugging
Tune-1111-0824_PETER_STREET_DANCE.abc 653 ABC music file with the extracted tune(s)
Tune-1111-0824_PETER_STREET_DANCE.ps 37341 PostScript
Tune-1111-0824_PETER_STREET_DANCE.txt 653 Plain-text file with the extracted tune(s)
Tune-1111-get.log 4917 Log file, useful mostly for debugging
These files should be available for 24 hours.