Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/square/EliasHowe_MusiciansCompanionP2-1843-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5906-EliasHowe_MusiciansCompanionP2-1843-V2.ps) >>/Users/jc/w/tmp/Tune-5906-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/square/EliasHowe_MusiciansCompanionP2-1843-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
Form_59067.log 876 Log file, useful mostly for debugging
Tune-5906-EliasHowe_MusiciansCompanionP2-1843-V2.abc 177 ABC music file with the extracted tune(s)
Tune-5906-EliasHowe_MusiciansCompanionP2-1843-V2.ps 6 PostScript
Tune-5906-EliasHowe_MusiciansCompanionP2-1843-V2.txt 177 Plain-text file with the extracted tune(s)
Tune-5906-get.log 4666 Log file, useful mostly for debugging
Tune-59060-EliasHowe_MusiciansCompanionP1-1842-V1.abc 175 ABC music file with the extracted tune(s)
Tune-59060-EliasHowe_MusiciansCompanionP1-1842-V1.pdf 2217 Portable Data Format
Tune-59060-EliasHowe_MusiciansCompanionP1-1842-V1.ps 6 PostScript
Tune-59060-EliasHowe_MusiciansCompanionP1-1842-V1.txt 175 Plain-text file with the extracted tune(s)
Tune-59060-get.log 5696 Log file, useful mostly for debugging
Tune-59061-get.log 8405 Log file, useful mostly for debugging
Tune-59062-get.log 3364 Log file, useful mostly for debugging
Tune-59063-get.log 11708 Log file, useful mostly for debugging
Tune-59064-get.log 4718 Log file, useful mostly for debugging
Tune-59065-get.log 11445 Log file, useful mostly for debugging
Tune-59067-get.log 3098 Log file, useful mostly for debugging
These files should be available for 24 hours.