Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/NewColl44Cot/BostonCollection.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9408-BostonCollection.ps) >>/Users/jc/w/tmp/Tune-9408-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/NewColl44Cot/BostonCollection.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_94083.log 817 Log file, useful mostly for debugging
Tune-9408-BostonCollection.abc 161 ABC music file with the extracted tune(s)
Tune-9408-BostonCollection.ps 6 PostScript
Tune-9408-BostonCollection.txt 161 Plain-text file with the extracted tune(s)
Tune-9408-get.log 4240 Log file, useful mostly for debugging
Tune-94080-get.log 5347 Log file, useful mostly for debugging
Tune-94082-get.log 5052 Log file, useful mostly for debugging
Tune-94083-get.log 12415 Log file, useful mostly for debugging
Tune-94084-get.log 4224 Log file, useful mostly for debugging
Tune-94085-get.log 3842 Log file, useful mostly for debugging
Tune-94086-get.log 5435 Log file, useful mostly for debugging
These files should be available for 24 hours.