Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1793/CSRHW-abc2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-576-CSRHW-abc2.ps) >>/Users/jc/w/tmp/Tune-576-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1793/CSRHW-abc2.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_5764.log 289011 Log file, useful mostly for debugging
Coll_57641.log 296007 Log file, useful mostly for debugging
Coll_57652.log 276411 Log file, useful mostly for debugging
Coll_57683.log 280610 Log file, useful mostly for debugging
Find_57684.log 1245 Log file, useful mostly for debugging
Tune-576-CSRHW-abc2.abc 147 ABC music file with the extracted tune(s)
Tune-576-CSRHW-abc2.ps 6 PostScript
Tune-576-CSRHW-abc2.txt 147 Plain-text file with the extracted tune(s)
Tune-576-get.log 4051 Log file, useful mostly for debugging
Tune-57604-EliasHowe_MusiciansCompanionP3-1844-V1.abc 175 ABC music file with the extracted tune(s)
Tune-57604-EliasHowe_MusiciansCompanionP3-1844-V1.ps 6 PostScript
Tune-57604-EliasHowe_MusiciansCompanionP3-1844-V1.txt 175 Plain-text file with the extracted tune(s)
Tune-57604-get.log 4579 Log file, useful mostly for debugging
Tune-57605-get.log 3988 Log file, useful mostly for debugging
Tune-57610-get.log 3222 Log file, useful mostly for debugging
Tune-57614-get.log 3096 Log file, useful mostly for debugging
Tune-57615-EliasHowe_MusiciansCompanionP3-1844-V1.abc 175 ABC music file with the extracted tune(s)
Tune-57615-EliasHowe_MusiciansCompanionP3-1844-V1.pdf 2217 Portable Data Format
Tune-57615-EliasHowe_MusiciansCompanionP3-1844-V1.ps 6 PostScript
Tune-57615-EliasHowe_MusiciansCompanionP3-1844-V1.txt 175 Plain-text file with the extracted tune(s)
Tune-57615-get.log 5694 Log file, useful mostly for debugging
Tune-57622-get.log 1508 Log file, useful mostly for debugging
Tune-57626-get.log 4768 Log file, useful mostly for debugging
Tune-57628-get.log 1508 Log file, useful mostly for debugging
Tune-57632-Goulding_TwentyFourCountryDancesForTheYear1808.abc 183 ABC music file with the extracted tune(s)
Tune-57632-Goulding_TwentyFourCountryDancesForTheYear1808.txt 183 Plain-text file with the extracted tune(s)
Tune-57632-get.log 3832 Log file, useful mostly for debugging
Tune-57633-get.log 4884 Log file, useful mostly for debugging
Tune-57636-get.log 1508 Log file, useful mostly for debugging
Tune-57644-get.log 5087 Log file, useful mostly for debugging
Tune-57660-get.log 5027 Log file, useful mostly for debugging
Tune-57664-get.log 1442 Log file, useful mostly for debugging
Tune-57670-get.log 1530 Log file, useful mostly for debugging
Tune-57673-get.log 5398 Log file, useful mostly for debugging
Tune-57678-get.log 1497 Log file, useful mostly for debugging
Tune-5768-get.log 3608 Log file, useful mostly for debugging
Tune-5769-get.log 4137 Log file, useful mostly for debugging
Tune-57693-ViolaRuth_Pioneer.abc 154 ABC music file with the extracted tune(s)
Tune-57693-ViolaRuth_Pioneer.ps 6 PostScript
Tune-57693-ViolaRuth_Pioneer.txt 154 Plain-text file with the extracted tune(s)
Tune-57693-get.log 4263 Log file, useful mostly for debugging
Tune-57694-HaandMeDoonDaFiddle.abc 156 ABC music file with the extracted tune(s)
Tune-57694-HaandMeDoonDaFiddle.ps 6 PostScript
Tune-57694-HaandMeDoonDaFiddle.txt 156 Plain-text file with the extracted tune(s)
Tune-57694-get.log 4305 Log file, useful mostly for debugging
Tune-57696-get.log 1530 Log file, useful mostly for debugging
These files should be available for 24 hours.