Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1796/SCD_RoyGoldring_15SocialDances.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8744-SCD_RoyGoldring_15SocialDances.ps) >>/Users/jc/w/tmp/Tune-8744-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1796/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_87442.log 1431 Log file, useful mostly for debugging
Tune-8744-Kohlers1.abc 145 ABC music file with the extracted tune(s)
Tune-8744-Kohlers1.txt 145 Plain-text file with the extracted tune(s)
Tune-8744-SCD_RoyGoldring_15SocialDances.abc 167 ABC music file with the extracted tune(s)
Tune-8744-SCD_RoyGoldring_15SocialDances.ps 6 PostScript
Tune-8744-SCD_RoyGoldring_15SocialDances.txt 167 Plain-text file with the extracted tune(s)
Tune-8744-get.log 7628 Log file, useful mostly for debugging
Tune-87446-KittyBridges_1745_NO.abc 157 ABC music file with the extracted tune(s)
Tune-87446-KittyBridges_1745_NO.ps 6 PostScript
Tune-87446-KittyBridges_1745_NO.txt 157 Plain-text file with the extracted tune(s)
Tune-87446-get.log 4324 Log file, useful mostly for debugging
Tune-87449-get.log 1349 Log file, useful mostly for debugging
These files should be available for 24 hours.