Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/SelectionOfDancesReelsAndWaltzes/CaledonianMusicalRepository_1811.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1921-CaledonianMusicalRepository_1811.ps) >>/Users/jc/w/tmp/Tune-1921-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SelectionOfDancesReelsAndWaltzes/CaledonianMusicalRepository_1811.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-1921-CaledonianMusicalRepository_1811.abc 197 ABC music file with the extracted tune(s)
Tune-1921-CaledonianMusicalRepository_1811.ps 6 PostScript
Tune-1921-CaledonianMusicalRepository_1811.txt 197 Plain-text file with the extracted tune(s)
Tune-1921-get.log 4698 Log file, useful mostly for debugging
Tune-19211-get.log 4465 Log file, useful mostly for debugging
Tune-19212-get.log 3548 Log file, useful mostly for debugging
Tune-19213-get.log 9431 Log file, useful mostly for debugging
Tune-19215-get.log 4882 Log file, useful mostly for debugging
Tune-19217-get.log 3102 Log file, useful mostly for debugging
These files should be available for 24 hours.