Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/EliasHowe/save/MusiciansCompanionP3-1844-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4831-MusiciansCompanionP3-1844-V1.ps) >>/Users/jc/w/tmp/Tune-4831-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EliasHowe/save/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
Tune-4831-MusiciansCompanionP3-1844-V1.abc 175 ABC music file with the extracted tune(s)
Tune-4831-MusiciansCompanionP3-1844-V1.ps 6 PostScript
Tune-4831-MusiciansCompanionP3-1844-V1.txt 175 Plain-text file with the extracted tune(s)
Tune-4831-get.log 4500 Log file, useful mostly for debugging
Tune-48310-get.log 1475 Log file, useful mostly for debugging
Tune-48313-get.log 4175 Log file, useful mostly for debugging
Tune-48314-24CountryDances_1776_Randall.abc 164 ABC music file with the extracted tune(s)
Tune-48314-24CountryDances_1776_Randall.pdf 2217 Portable Data Format
Tune-48314-24CountryDances_1776_Randall.ps 6 PostScript
Tune-48314-24CountryDances_1776_Randall.txt 164 Plain-text file with the extracted tune(s)
Tune-48314-get.log 10188 Log file, useful mostly for debugging
Tune-48318-get.log 8693 Log file, useful mostly for debugging
These files should be available for 24 hours.