Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/MMM1/EliasHowe_MusiciansCompanionP2-1843-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2505-EliasHowe_MusiciansCompanionP2-1843-V1.ps) >>/Users/jc/w/tmp/Tune-2505-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/MMM1/EliasHowe_MusiciansCompanionP2-1843-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
Tune-2505-EliasHowe_MusiciansCompanionP2-1843-V1.abc 175 ABC music file with the extracted tune(s)
Tune-2505-EliasHowe_MusiciansCompanionP2-1843-V1.ps 6 PostScript
Tune-2505-EliasHowe_MusiciansCompanionP2-1843-V1.txt 175 Plain-text file with the extracted tune(s)
Tune-2505-get.log 10456 Log file, useful mostly for debugging
Tune-25050-get.log 4288 Log file, useful mostly for debugging
Tune-25051-get.log 5373 Log file, useful mostly for debugging
Tune-25053-MSRPB.abc 145 ABC music file with the extracted tune(s)
Tune-25053-MSRPB.pdf 2217 Portable Data Format
Tune-25053-MSRPB.ps 6 PostScript
Tune-25053-MSRPB.txt 145 Plain-text file with the extracted tune(s)
Tune-25053-get.log 4759 Log file, useful mostly for debugging
Tune-25055-get.log 5246 Log file, useful mostly for debugging
Tune-25057-get.log 4698 Log file, useful mostly for debugging
Tune-25058-get.log 4273 Log file, useful mostly for debugging
Tune-25059-get.log 4837 Log file, useful mostly for debugging
These files should be available for 24 hours.