pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6830-0551_GALOPADE_For_two_Flutes.ps) >>/Users/jc/w/tmp/Tune-6830-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/BostonCollection/0551_GALOPADE_For_two_Flutes.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_68308.log 2129 Log file, useful mostly for debugging
Tune-6830-0551_GALOPADE_For_two_Flutes.abc 1331 ABC music file with the extracted tune(s)
Tune-6830-0551_GALOPADE_For_two_Flutes.ps 42786 PostScript
Tune-6830-0551_GALOPADE_For_two_Flutes.txt 1331 Plain-text file with the extracted tune(s)
Tune-6830-get.log 4954 Log file, useful mostly for debugging
Tune-68302-SCD_RoyGoldring_15SocialDances.abc 168 ABC music file with the extracted tune(s)
Tune-68302-SCD_RoyGoldring_15SocialDances.txt 168 Plain-text file with the extracted tune(s)
Tune-68302-get.log 3552 Log file, useful mostly for debugging
Tune-68304-get.log 1378 Log file, useful mostly for debugging
These files should be available for 24 hours.