Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Book27/EliasHowe_MusiciansCompanionP3-1844-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5754-EliasHowe_MusiciansCompanionP3-1844-V2.ps) >>/Users/jc/w/tmp/Tune-5754-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Book27/EliasHowe_MusiciansCompanionP3-1844-V2.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_57543.log 151917 Log file, useful mostly for debugging
Tune-5754-EliasHowe_MusiciansCompanionP3-1844-V2.abc 177 ABC music file with the extracted tune(s)
Tune-5754-EliasHowe_MusiciansCompanionP3-1844-V2.ps 6 PostScript
Tune-5754-EliasHowe_MusiciansCompanionP3-1844-V2.txt 177 Plain-text file with the extracted tune(s)
Tune-5754-get.log 9264 Log file, useful mostly for debugging
Tune-57540-Gow-CR-abc1.abc 149 ABC music file with the extracted tune(s)
Tune-57540-Gow-CR-abc1.txt 149 Plain-text file with the extracted tune(s)
Tune-57540-get.log 3210 Log file, useful mostly for debugging
Tune-57541-get.log 13056 Log file, useful mostly for debugging
Tune-57543-get.log 4322 Log file, useful mostly for debugging
Tune-57544-get.log 4348 Log file, useful mostly for debugging
Tune-57545-Gow-CSR1-abc1.abc 149 ABC music file with the extracted tune(s)
Tune-57545-Gow-CSR1-abc1.txt 149 Plain-text file with the extracted tune(s)
Tune-57545-get.log 3234 Log file, useful mostly for debugging
Tune-57548-get.log 9634 Log file, useful mostly for debugging
Tune-57549-get.log 5769 Log file, useful mostly for debugging
These files should be available for 24 hours.