Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/_/WilliamCampbell_10thBook_1798-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1770-WilliamCampbell_10thBook_1798-V1.ps) >>/Users/jc/w/tmp/Tune-1770-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/_/WilliamCampbell_10thBook_1798-V1.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_17704.log 285735 Log file, useful mostly for debugging
Coll_17709.log 285735 Log file, useful mostly for debugging
Tune-1770-WilliamCampbell_10thBook_1798-V1.abc 166 ABC music file with the extracted tune(s)
Tune-1770-WilliamCampbell_10thBook_1798-V1.ps 6 PostScript
Tune-1770-WilliamCampbell_10thBook_1798-V1.txt 166 Plain-text file with the extracted tune(s)
Tune-1770-get.log 4510 Log file, useful mostly for debugging
Tune-17700-get.log 58408 Log file, useful mostly for debugging
Tune-17703-get.log 3457 Log file, useful mostly for debugging
Tune-17709-get.log 4635 Log file, useful mostly for debugging
Tune-81651-24NewCotillons_1770_Longman.abc 161 ABC music file with the extracted tune(s)
Tune-81651-24NewCotillons_1770_Longman.txt 161 Plain-text file with the extracted tune(s)
Tune-81672-24CountryDances_1770_Longman.abc 162 ABC music file with the extracted tune(s)
Tune-81672-24CountryDances_1770_Longman.txt 162 Plain-text file with the extracted tune(s)
Tune-96737-24NewCotillons_1770_Longman.abc 161 ABC music file with the extracted tune(s)
Tune-96737-24NewCotillons_1770_Longman.ps 6 PostScript
Tune-96737-24NewCotillons_1770_Longman.txt 161 Plain-text file with the extracted tune(s)
Tune-99994-24NewCotillons_1770_Longman.abc 161 ABC music file with the extracted tune(s)
Tune-99994-24NewCotillons_1770_Longman.ps 6 PostScript
Tune-99994-24NewCotillons_1770_Longman.txt 161 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.