Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1810/SCD_RoyGoldring_14SocialDancesFor2000.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5501-SCD_RoyGoldring_14SocialDancesFor2000.ps) >>/Users/jc/w/tmp/Tune-5501-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1810/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
Tune-5501-SCD_RoyGoldring_14SocialDancesFor2000.abc 174 ABC music file with the extracted tune(s)
Tune-5501-SCD_RoyGoldring_14SocialDancesFor2000.ps 6 PostScript
Tune-5501-SCD_RoyGoldring_14SocialDancesFor2000.txt 174 Plain-text file with the extracted tune(s)
Tune-5501-get.log 11964 Log file, useful mostly for debugging
Tune-55010-get.log 5551 Log file, useful mostly for debugging
Tune-55012-get.log 12530 Log file, useful mostly for debugging
Tune-55013-get.log 9464 Log file, useful mostly for debugging
Tune-55014-get.log 3402 Log file, useful mostly for debugging
Tune-55015-WalterRainstorp_WRCB.abc 163 ABC music file with the extracted tune(s)
Tune-55015-WalterRainstorp_WRCB.ps 6 PostScript
Tune-55015-WalterRainstorp_WRCB.txt 163 Plain-text file with the extracted tune(s)
Tune-55015-get.log 13021 Log file, useful mostly for debugging
Tune-55017-get.log 5607 Log file, useful mostly for debugging
Tune-55018-get.log 8919 Log file, useful mostly for debugging
Tune-55019-get.log 4535 Log file, useful mostly for debugging
These files should be available for 24 hours.