Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/abc2/CaledonianMusicalRepository_1806.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-538-CaledonianMusicalRepository_1806.ps) >>/Users/jc/w/tmp/Tune-538-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/abc2/CaledonianMusicalRepository_1806.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_53809.log 147375 Log file, useful mostly for debugging
Coll_53846.log 1083084 Log file, useful mostly for debugging
Coll_53890.log 1080284 Log file, useful mostly for debugging
Form_538.log 1029 Log file, useful mostly for debugging
Tune-538-CaledonianMusicalRepository_1806.abc 169 ABC music file with the extracted tune(s)
Tune-538-CaledonianMusicalRepository_1806.ps 6 PostScript
Tune-538-CaledonianMusicalRepository_1806.txt 169 Plain-text file with the extracted tune(s)
Tune-538-get.log 4509 Log file, useful mostly for debugging
Tune-53806-get.log 1512 Log file, useful mostly for debugging
Tune-5381-get.log 1420 Log file, useful mostly for debugging
Tune-53820-get.log 84978 Log file, useful mostly for debugging
Tune-53830-get.log 1472 Log file, useful mostly for debugging
Tune-53836-get.log 81123 Log file, useful mostly for debugging
Tune-53857-get.log 90261 Log file, useful mostly for debugging
Tune-53865-get.log 1430 Log file, useful mostly for debugging
Tune-5387-get.log 1514 Log file, useful mostly for debugging
Tune-53871-get.log 90266 Log file, useful mostly for debugging
Tune-53879-get.log 92260 Log file, useful mostly for debugging
These files should be available for 24 hours.