Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/misc/ThomasMarsden.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-578-ThomasMarsden.ps) >>/Users/jc/w/tmp/Tune-578-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/misc/ThomasMarsden.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_57820.log 284811 Log file, useful mostly for debugging
Coll_57849.log 286209 Log file, useful mostly for debugging
Coll_57866.log 301610 Log file, useful mostly for debugging
Coll_57881.log 291809 Log file, useful mostly for debugging
Coll_5789.log 294610 Log file, useful mostly for debugging
Coll_57892.log 291808 Log file, useful mostly for debugging
Find_57861.log 1486 Log file, useful mostly for debugging
Tune-578-24CountryDances_1781_Skillern.abc 166 ABC music file with the extracted tune(s)
Tune-578-24CountryDances_1781_Skillern.txt 166 Plain-text file with the extracted tune(s)
Tune-578-ThomasMarsden.abc 150 ABC music file with the extracted tune(s)
Tune-578-ThomasMarsden.ps 6 PostScript
Tune-578-ThomasMarsden.txt 150 Plain-text file with the extracted tune(s)
Tune-578-get.log 7616 Log file, useful mostly for debugging
Tune-57806-get.log 2938 Log file, useful mostly for debugging
Tune-57812-get.log 1468 Log file, useful mostly for debugging
Tune-57831-get.log 1468 Log file, useful mostly for debugging
Tune-57837-get.log 4704 Log file, useful mostly for debugging
Tune-57837-sett.abc 140 ABC music file with the extracted tune(s)
Tune-57837-sett.pdf 2217 Portable Data Format
Tune-57837-sett.ps 6 PostScript
Tune-57837-sett.txt 140 Plain-text file with the extracted tune(s)
Tune-57840-get.log 1457 Log file, useful mostly for debugging
Tune-57842-Landrin_Potpourri.abc 154 ABC music file with the extracted tune(s)
Tune-57842-Landrin_Potpourri.txt 154 Plain-text file with the extracted tune(s)
Tune-57842-get.log 3312 Log file, useful mostly for debugging
Tune-57845-get.log 1479 Log file, useful mostly for debugging
Tune-57848-EverydaySongBook2.abc 154 ABC music file with the extracted tune(s)
Tune-57848-EverydaySongBook2.pdf 2217 Portable Data Format
Tune-57848-EverydaySongBook2.ps 6 PostScript
Tune-57848-EverydaySongBook2.txt 154 Plain-text file with the extracted tune(s)
Tune-57848-get.log 5087 Log file, useful mostly for debugging
Tune-57859-OldEnglishCountryDances.abc 159 ABC music file with the extracted tune(s)
Tune-57859-OldEnglishCountryDances.ps 6 PostScript
Tune-57859-OldEnglishCountryDances.txt 159 Plain-text file with the extracted tune(s)
Tune-57859-get.log 4260 Log file, useful mostly for debugging
Tune-57871-24CountryDances_1794_Preston.abc 165 ABC music file with the extracted tune(s)
Tune-57871-24CountryDances_1794_Preston.ps 6 PostScript
Tune-57871-24CountryDances_1794_Preston.txt 165 Plain-text file with the extracted tune(s)
Tune-57871-get.log 4371 Log file, useful mostly for debugging
Tune-57877-get.log 1468 Log file, useful mostly for debugging
Tune-57885-24FavouriteDances_1783_Straight.abc 168 ABC music file with the extracted tune(s)
Tune-57885-24FavouriteDances_1783_Straight.txt 168 Plain-text file with the extracted tune(s)
Tune-57885-get.log 3564 Log file, useful mostly for debugging
These files should be available for 24 hours.