Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/4NCD/SocialDances2002.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3534-SocialDances2002.ps) >>/Users/jc/w/tmp/Tune-3534-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/4NCD/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-3534-SocialDances2002.abc 153 ABC music file with the extracted tune(s)
Tune-3534-SocialDances2002.ps 6 PostScript
Tune-3534-SocialDances2002.txt 153 Plain-text file with the extracted tune(s)
Tune-3534-get.log 8116 Log file, useful mostly for debugging
Tune-35342-CSR3-abc2.abc 159 ABC music file with the extracted tune(s)
Tune-35342-CSR3-abc2.pdf 2217 Portable Data Format
Tune-35342-CSR3-abc2.ps 6 PostScript
Tune-35342-CSR3-abc2.txt 159 Plain-text file with the extracted tune(s)
Tune-35342-get.log 4931 Log file, useful mostly for debugging
Tune-35343-get.log 4087 Log file, useful mostly for debugging
Tune-35345-get.log 19072 Log file, useful mostly for debugging
Tune-35346-get.log 9711 Log file, useful mostly for debugging
Tune-35347-get.log 10890 Log file, useful mostly for debugging
Tune-35349-get.log 4599 Log file, useful mostly for debugging
These files should be available for 24 hours.