Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/MM2/24FavouriteDances_1783_Straight.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-536-24FavouriteDances_1783_Straight.ps) >>/Users/jc/w/tmp/Tune-536-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/MM2/24FavouriteDances_1783_Straight.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_53601.log 322265 Log file, useful mostly for debugging
Coll_53613.log 325075 Log file, useful mostly for debugging
Coll_53624.log 332100 Log file, useful mostly for debugging
Coll_53635.log 128613 Log file, useful mostly for debugging
Coll_53638.log 337720 Log file, useful mostly for debugging
Coll_53658.log 323670 Log file, useful mostly for debugging
Coll_53669.log 329290 Log file, useful mostly for debugging
Coll_53681.log 326480 Log file, useful mostly for debugging
Coll_53692.log 323670 Log file, useful mostly for debugging
Tune-536-24FavouriteDances_1783_Straight.abc 167 ABC music file with the extracted tune(s)
Tune-536-24FavouriteDances_1783_Straight.ps 6 PostScript
Tune-536-24FavouriteDances_1783_Straight.txt 167 Plain-text file with the extracted tune(s)
Tune-536-get.log 4484 Log file, useful mostly for debugging
Tune-5360-get.log 5139 Log file, useful mostly for debugging
Tune-5362-get.log 3298 Log file, useful mostly for debugging
Tune-53649-get.log 3364 Log file, useful mostly for debugging
Tune-53652-get.log 3886 Log file, useful mostly for debugging
Tune-53653-get.log 8928 Log file, useful mostly for debugging
Tune-53660-get.log 3474 Log file, useful mostly for debugging
Tune-53686-get.log 4204 Log file, useful mostly for debugging
Tune-53690-get.log 4856 Log file, useful mostly for debugging
Tune-53696-get.log 3070 Log file, useful mostly for debugging
These files should be available for 24 hours.