Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1779/SCD_RoyGoldring_15SocialDances.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7245-SCD_RoyGoldring_15SocialDances.ps) >>/Users/jc/w/tmp/Tune-7245-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1779/SCD_RoyGoldring_15SocialDances.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Find_7245.log 1534 Log file, useful mostly for debugging
Tune-7245-SCD_RoyGoldring_15SocialDances.abc 167 ABC music file with the extracted tune(s)
Tune-7245-SCD_RoyGoldring_15SocialDances.ps 6 PostScript
Tune-7245-SCD_RoyGoldring_15SocialDances.txt 167 Plain-text file with the extracted tune(s)
Tune-7245-get.log 4486 Log file, useful mostly for debugging
Tune-72459-20741_Salem_Quickstep.abc 712 ABC music file with the extracted tune(s)
Tune-72459-20741_Salem_Quickstep.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-72459-20741_Salem_Quickstep.ps 33308 PostScript
Tune-72459-20741_Salem_Quickstep.txt 712 Plain-text file with the extracted tune(s)
Tune-72459-get.log 5699 Log file, useful mostly for debugging
These files should be available for 24 hours.