Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1777/PaulBackstrom-LfD.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-588-PaulBackstrom-LfD.ps) >>/Users/jc/w/tmp/Tune-588-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1777/PaulBackstrom-LfD.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_58809.log 286209 Log file, useful mostly for debugging
Coll_58835.log 1270486 Log file, useful mostly for debugging
Coll_58873.log 289009 Log file, useful mostly for debugging
Coll_58893.log 273612 Log file, useful mostly for debugging
Find_58831.log 1733 Log file, useful mostly for debugging
Find_58849.log 1479 Log file, useful mostly for debugging
Find_58863.log 1471 Log file, useful mostly for debugging
Find_58867.log 1725 Log file, useful mostly for debugging
Find_58896.log 1838 Log file, useful mostly for debugging
Form_58854.log 879 Log file, useful mostly for debugging
Tune-588-PaulBackstrom-LfD.abc 154 ABC music file with the extracted tune(s)
Tune-588-PaulBackstrom-LfD.ps 6 PostScript
Tune-588-PaulBackstrom-LfD.txt 154 Plain-text file with the extracted tune(s)
Tune-588-get.log 4198 Log file, useful mostly for debugging
Tune-58813-Goulding_SSEIFA_v3.abc 155 ABC music file with the extracted tune(s)
Tune-58813-Goulding_SSEIFA_v3.ps 6 PostScript
Tune-58813-Goulding_SSEIFA_v3.txt 155 Plain-text file with the extracted tune(s)
Tune-58813-get.log 4284 Log file, useful mostly for debugging
Tune-58816-DanielWright_ECPMH.abc 155 ABC music file with the extracted tune(s)
Tune-58816-DanielWright_ECPMH.pdf 2217 Portable Data Format
Tune-58816-DanielWright_ECPMH.ps 6 PostScript
Tune-58816-DanielWright_ECPMH.txt 155 Plain-text file with the extracted tune(s)
Tune-58816-get.log 5118 Log file, useful mostly for debugging
Tune-5882-SCD_Book49-V2.abc 150 ABC music file with the extracted tune(s)
Tune-5882-SCD_Book49-V2.ps 6 PostScript
Tune-5882-SCD_Book49-V2.txt 150 Plain-text file with the extracted tune(s)
Tune-5882-get.log 4037 Log file, useful mostly for debugging
Tune-58820-get.log 3863 Log file, useful mostly for debugging
Tune-58824-get.log 4016 Log file, useful mostly for debugging
Tune-58825-Hamilton_Kerr_MM2-V1.abc 157 ABC music file with the extracted tune(s)
Tune-58825-Hamilton_Kerr_MM2-V1.ps 6 PostScript
Tune-58825-Hamilton_Kerr_MM2-V1.txt 157 Plain-text file with the extracted tune(s)
Tune-58825-get.log 4205 Log file, useful mostly for debugging
Tune-58829-get.log 3979 Log file, useful mostly for debugging
Tune-58836-get.log 4909 Log file, useful mostly for debugging
Tune-5884-CDSS_Gems.abc 146 ABC music file with the extracted tune(s)
Tune-5884-CDSS_Gems.ps 6 PostScript
Tune-5884-CDSS_Gems.txt 146 Plain-text file with the extracted tune(s)
Tune-5884-get.log 4078 Log file, useful mostly for debugging
Tune-58846-24CountryDances_1801_Preston.abc 165 ABC music file with the extracted tune(s)
Tune-58846-24CountryDances_1801_Preston.ps 6 PostScript
Tune-58846-24CountryDances_1801_Preston.txt 165 Plain-text file with the extracted tune(s)
Tune-58846-get.log 4373 Log file, useful mostly for debugging
Tune-58847-get.log 260687 Log file, useful mostly for debugging
Tune-58849-get.log 4899 Log file, useful mostly for debugging
Tune-58853-24CountryDances_1791_Thompson.abc 166 ABC music file with the extracted tune(s)
Tune-58853-24CountryDances_1791_Thompson.pdf 2217 Portable Data Format
Tune-58853-24CountryDances_1791_Thompson.ps 6 PostScript
Tune-58853-24CountryDances_1791_Thompson.txt 166 Plain-text file with the extracted tune(s)
Tune-58853-get.log 5437 Log file, useful mostly for debugging
Tune-58854-get.log 5003 Log file, useful mostly for debugging
Tune-58861-get.log 3985 Log file, useful mostly for debugging
Tune-58866-get.log 5400 Log file, useful mostly for debugging
Tune-58875-get.log 3901 Log file, useful mostly for debugging
Tune-58879-get.log 5367 Log file, useful mostly for debugging
Tune-58883-get.log 3166 Log file, useful mostly for debugging
Tune-58886-get.log 4213 Log file, useful mostly for debugging
Tune-58891-get.log 3292 Log file, useful mostly for debugging
Tune-58897-get.log 4766 Log file, useful mostly for debugging
These files should be available for 24 hours.