pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3214-Bourree_a_Berot_1.ps) >>/Users/jc/w/tmp/Tune-3214-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/bourree/Bourree_a_Berot_1.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_3214.log 589215 Log file, useful mostly for debugging
Coll_32141.log 606075 Log file, useful mostly for debugging
Coll_32144.log 448715 Log file, useful mostly for debugging
Tune-3214-Bourree_a_Berot_1.abc 381 ABC music file with the extracted tune(s)
Tune-3214-Bourree_a_Berot_1.ps 33846 PostScript
Tune-3214-Bourree_a_Berot_1.txt 381 Plain-text file with the extracted tune(s)
Tune-3214-get.log 4565 Log file, useful mostly for debugging
These files should be available for 24 hours.