Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/hdr/SocialDances2002.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5349-SocialDances2002.ps) >>/Users/jc/w/tmp/Tune-5349-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/hdr/SocialDances2002.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-5349-SocialDances2002.abc 152 ABC music file with the extracted tune(s)
Tune-5349-SocialDances2002.ps 6 PostScript
Tune-5349-SocialDances2002.txt 152 Plain-text file with the extracted tune(s)
Tune-5349-get.log 8741 Log file, useful mostly for debugging
Tune-53490-get.log 4851 Log file, useful mostly for debugging
Tune-53491-get.log 5831 Log file, useful mostly for debugging
Tune-53492-get.log 5295 Log file, useful mostly for debugging
Tune-53494-get.log 3096 Log file, useful mostly for debugging
Tune-53495-get.log 1433 Log file, useful mostly for debugging
Tune-53496-CSR-abc1.abc 158 ABC music file with the extracted tune(s)
Tune-53496-CSR-abc1.ps 6 PostScript
Tune-53496-CSR-abc1.txt 158 Plain-text file with the extracted tune(s)
Tune-53496-get.log 9293 Log file, useful mostly for debugging
Tune-53497-get.log 3222 Log file, useful mostly for debugging
These files should be available for 24 hours.