Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Book10/EliasHowe_MusiciansCompanionP3-1844-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6308-EliasHowe_MusiciansCompanionP3-1844-V1.ps) >>/Users/jc/w/tmp/Tune-6308-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Book10/EliasHowe_MusiciansCompanionP3-1844-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_6308.log 289012 Log file, useful mostly for debugging
Find_63087.log 1535 Log file, useful mostly for debugging
Tune-6308-EliasHowe_MusiciansCompanionP3-1844-V1.abc 177 ABC music file with the extracted tune(s)
Tune-6308-EliasHowe_MusiciansCompanionP3-1844-V1.ps 6 PostScript
Tune-6308-EliasHowe_MusiciansCompanionP3-1844-V1.txt 177 Plain-text file with the extracted tune(s)
Tune-6308-get.log 4666 Log file, useful mostly for debugging
Tune-63082-get.log 3615 Log file, useful mostly for debugging
Tune-63083-get.log 5381 Log file, useful mostly for debugging
Tune-63084-get.log 4197 Log file, useful mostly for debugging
Tune-63085-get.log 4247 Log file, useful mostly for debugging
Tune-63086-get.log 1289 Log file, useful mostly for debugging
These files should be available for 24 hours.