Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1793/SCD_RoyGoldring_14SocialDancesFor2000.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9536-SCD_RoyGoldring_14SocialDancesFor2000.ps) >>/Users/jc/w/tmp/Tune-9536-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1793/SCD_RoyGoldring_14SocialDancesFor2000.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_95366.log 282012 Log file, useful mostly for debugging
Tune-9536-SCD_RoyGoldring_14SocialDancesFor2000.abc 174 ABC music file with the extracted tune(s)
Tune-9536-SCD_RoyGoldring_14SocialDancesFor2000.ps 6 PostScript
Tune-9536-SCD_RoyGoldring_14SocialDancesFor2000.txt 174 Plain-text file with the extracted tune(s)
Tune-9536-get.log 4633 Log file, useful mostly for debugging
Tune-95360-IgnatiusSancho_CNS_v1.abc 158 ABC music file with the extracted tune(s)
Tune-95360-IgnatiusSancho_CNS_v1.pdf 2217 Portable Data Format
Tune-95360-IgnatiusSancho_CNS_v1.ps 6 PostScript
Tune-95360-IgnatiusSancho_CNS_v1.txt 158 Plain-text file with the extracted tune(s)
Tune-95360-get.log 5201 Log file, useful mostly for debugging
Tune-95361-get.log 1367 Log file, useful mostly for debugging
Tune-95368-SCD_RoyGoldring_15SocialDances.abc 167 ABC music file with the extracted tune(s)
Tune-95368-SCD_RoyGoldring_15SocialDances.ps 6 PostScript
Tune-95368-SCD_RoyGoldring_15SocialDances.txt 167 Plain-text file with the extracted tune(s)
Tune-95368-get.log 4411 Log file, useful mostly for debugging
These files should be available for 24 hours.