Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1750/EliasHowe_MusiciansCompanionP3-1844-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2895-EliasHowe_MusiciansCompanionP3-1844-V2.ps) >>/Users/jc/w/tmp/Tune-2895-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1750/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
Form_28955.log 921 Log file, useful mostly for debugging
Tune-2895-EliasHowe_MusiciansCompanionP3-1844-V2.abc 175 ABC music file with the extracted tune(s)
Tune-2895-EliasHowe_MusiciansCompanionP3-1844-V2.ps 6 PostScript
Tune-2895-EliasHowe_MusiciansCompanionP3-1844-V2.txt 175 Plain-text file with the extracted tune(s)
Tune-2895-get.log 14483 Log file, useful mostly for debugging
Tune-28951-get.log 1419 Log file, useful mostly for debugging
Tune-28952-Kerr_MM4-V1.abc 147 ABC music file with the extracted tune(s)
Tune-28952-Kerr_MM4-V1.txt 147 Plain-text file with the extracted tune(s)
Tune-28952-get.log 8665 Log file, useful mostly for debugging
Tune-28953-get.log 6016 Log file, useful mostly for debugging
Tune-28954-get.log 5703 Log file, useful mostly for debugging
Tune-28955-CDSS_Gems.abc 146 ABC music file with the extracted tune(s)
Tune-28955-CDSS_Gems.ps 6 PostScript
Tune-28955-CDSS_Gems.txt 146 Plain-text file with the extracted tune(s)
Tune-28955-get.log 9146 Log file, useful mostly for debugging
Tune-28957-get.log 4322 Log file, useful mostly for debugging
Tune-28958-get.log 5293 Log file, useful mostly for debugging
These files should be available for 24 hours.