Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/MCCD/dance.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3869-dance.ps) >>/Users/jc/w/tmp/Tune-3869-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/MCCD/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
Coll_38697.log 155054 Log file, useful mostly for debugging
Tune-3869-dance.abc 142 ABC music file with the extracted tune(s)
Tune-3869-dance.ps 6 PostScript
Tune-3869-dance.txt 142 Plain-text file with the extracted tune(s)
Tune-3869-get.log 3963 Log file, useful mostly for debugging
Tune-38690-get.log 3150 Log file, useful mostly for debugging
Tune-38691-get.log 3142 Log file, useful mostly for debugging
Tune-38692-get.log 6084 Log file, useful mostly for debugging
Tune-38693-get.log 9086 Log file, useful mostly for debugging
Tune-38694-get.log 3380 Log file, useful mostly for debugging
Tune-38695-get.log 9879 Log file, useful mostly for debugging
Tune-38696-CSR-abc1.abc 157 ABC music file with the extracted tune(s)
Tune-38696-CSR-abc1.ps 6 PostScript
Tune-38696-CSR-abc1.txt 157 Plain-text file with the extracted tune(s)
Tune-38696-get.log 8513 Log file, useful mostly for debugging
Tune-38697-get.log 5920 Log file, useful mostly for debugging
Tune-38698-CR4-abc1.abc 158 ABC music file with the extracted tune(s)
Tune-38698-CR4-abc1.txt 158 Plain-text file with the extracted tune(s)
Tune-38698-get.log 3228 Log file, useful mostly for debugging
Tune-38699-get.log 5406 Log file, useful mostly for debugging
These files should be available for 24 hours.