Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1767/JamesJohnson_ScotsMusicalMuseumV4-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9119-JamesJohnson_ScotsMusicalMuseumV4-V1.ps) >>/Users/jc/w/tmp/Tune-9119-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1767/JamesJohnson_ScotsMusicalMuseumV4-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
Form_91193.log 962 Log file, useful mostly for debugging
Tune-9119-JamesJohnson_ScotsMusicalMuseumV4-V1.abc 173 ABC music file with the extracted tune(s)
Tune-9119-JamesJohnson_ScotsMusicalMuseumV4-V1.ps 6 PostScript
Tune-9119-JamesJohnson_ScotsMusicalMuseumV4-V1.txt 173 Plain-text file with the extracted tune(s)
Tune-9119-get.log 4612 Log file, useful mostly for debugging
Tune-91192-get.log 1384 Log file, useful mostly for debugging
Tune-91195-24CountryDances_1781_Skillern.abc 166 ABC music file with the extracted tune(s)
Tune-91195-24CountryDances_1781_Skillern.ps 6 PostScript
Tune-91195-24CountryDances_1781_Skillern.txt 166 Plain-text file with the extracted tune(s)
Tune-91195-get.log 4515 Log file, useful mostly for debugging
Tune-91196-10304_Quickstep_No_4.abc 688 ABC music file with the extracted tune(s)
Tune-91196-10304_Quickstep_No_4.pdf 11872 Portable Data Format
Tune-91196-10304_Quickstep_No_4.ps 34485 PostScript
Tune-91196-10304_Quickstep_No_4.txt 688 Plain-text file with the extracted tune(s)
Tune-91196-get.log 5771 Log file, useful mostly for debugging
Tune-91197-JohnJohnson_ChoiceCollectionVol8-V1.abc 172 ABC music file with the extracted tune(s)
Tune-91197-JohnJohnson_ChoiceCollectionVol8-V1.txt 172 Plain-text file with the extracted tune(s)
Tune-91197-get.log 3634 Log file, useful mostly for debugging
Tune-91198-get.log 1330 Log file, useful mostly for debugging
These files should be available for 24 hours.