pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9664-MothersOfSaintAnns.ps) >>/Users/jc/w/tmp/Tune-9664-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/MothersOfSaintAnns.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_96644.log 288545 Log file, useful mostly for debugging
Coll_96646.log 274495 Log file, useful mostly for debugging
Tune-9664-MothersOfSaintAnns.abc 926 ABC music file with the extracted tune(s)
Tune-9664-MothersOfSaintAnns.ps 37977 PostScript
Tune-9664-MothersOfSaintAnns.txt 926 Plain-text file with the extracted tune(s)
Tune-9664-get.log 6478 Log file, useful mostly for debugging
Tune-96643-get.log 5539 Log file, useful mostly for debugging
Tune-96646-XsAndOs-001.svg 46290 Scalable Vector Graphics format
Tune-96646-XsAndOs.abc 1363 ABC music file with the extracted tune(s)
Tune-96646-XsAndOs.txt 1363 Plain-text file with the extracted tune(s)
Tune-96646-get.log 4317 Log file, useful mostly for debugging
These files should be available for 24 hours.