Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1762/SocialDances2002.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-807-SocialDances2002.ps) >>/Users/jc/w/tmp/Tune-807-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1762/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
Coll_807.log 277305 Log file, useful mostly for debugging
Coll_80708.log 350365 Log file, useful mostly for debugging
Coll_80720.log 474165 Log file, useful mostly for debugging
Coll_80731.log 357390 Log file, useful mostly for debugging
Coll_80736.log 485249 Log file, useful mostly for debugging
Coll_80742.log 405160 Log file, useful mostly for debugging
Coll_80762.log 472603 Log file, useful mostly for debugging
Coll_80764.log 407970 Log file, useful mostly for debugging
Coll_8077.log 406565 Log file, useful mostly for debugging
Coll_80785.log 402350 Log file, useful mostly for debugging
Coll_80789.log 139579 Log file, useful mostly for debugging
Coll_80797.log 396730 Log file, useful mostly for debugging
Coll_80798.log 478224 Log file, useful mostly for debugging
Tune-807-SocialDances2002.abc 153 ABC music file with the extracted tune(s)
Tune-807-SocialDances2002.ps 6 PostScript
Tune-807-SocialDances2002.txt 153 Plain-text file with the extracted tune(s)
Tune-807-get.log 4171 Log file, useful mostly for debugging
Tune-80700-get.log 1745 Log file, useful mostly for debugging
Tune-80706-get.log 1494 Log file, useful mostly for debugging
Tune-80714-get.log 1491 Log file, useful mostly for debugging
Tune-80719-get.log 7121 Log file, useful mostly for debugging
Tune-80731-get.log 1720 Log file, useful mostly for debugging
Tune-80744-get.log 1746 Log file, useful mostly for debugging
Tune-80745-get.log 1752 Log file, useful mostly for debugging
Tune-80746-get.log 1823 Log file, useful mostly for debugging
Tune-80748-get.log 8270 Log file, useful mostly for debugging
Tune-80749-get.log 1747 Log file, useful mostly for debugging
Tune-80752-get.log 7072 Log file, useful mostly for debugging
Tune-80757-get.log 1506 Log file, useful mostly for debugging
Tune-80773-get.log 1659 Log file, useful mostly for debugging
Tune-80778-get.log 1738 Log file, useful mostly for debugging
Tune-80786-get.log 1815 Log file, useful mostly for debugging
Tune-80787-get.log 1801 Log file, useful mostly for debugging
Tune-80788-get.log 6341 Log file, useful mostly for debugging
Tune-80790-get.log 31992 Log file, useful mostly for debugging
Tune-80798-get.log 5052 Log file, useful mostly for debugging
These files should be available for 24 hours.