Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1778/EliasHowe_MusiciansCompanionP3-1844-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9582-EliasHowe_MusiciansCompanionP3-1844-V1.ps) >>/Users/jc/w/tmp/Tune-9582-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1778/EliasHowe_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-9582-EliasHowe_MusiciansCompanionP3-1844-V1.abc 175 ABC music file with the extracted tune(s)
Tune-9582-EliasHowe_MusiciansCompanionP3-1844-V1.ps 6 PostScript
Tune-9582-EliasHowe_MusiciansCompanionP3-1844-V1.txt 175 Plain-text file with the extracted tune(s)
Tune-9582-get.log 9573 Log file, useful mostly for debugging
Tune-95820-24CountryDances_1782_Thompson.abc 165 ABC music file with the extracted tune(s)
Tune-95820-24CountryDances_1782_Thompson.txt 165 Plain-text file with the extracted tune(s)
Tune-95820-get.log 6610 Log file, useful mostly for debugging
Tune-95824-Gow-CSR-abc2.abc 147 ABC music file with the extracted tune(s)
Tune-95824-Gow-CSR-abc2.pdf 2217 Portable Data Format
Tune-95824-Gow-CSR-abc2.ps 6 PostScript
Tune-95824-Gow-CSR-abc2.txt 147 Plain-text file with the extracted tune(s)
Tune-95824-get.log 4928 Log file, useful mostly for debugging
Tune-95829-RSCDS_Graded2.abc 150 ABC music file with the extracted tune(s)
Tune-95829-RSCDS_Graded2.ps 6 PostScript
Tune-95829-RSCDS_Graded2.txt 150 Plain-text file with the extracted tune(s)
Tune-95829-get.log 4175 Log file, useful mostly for debugging
These files should be available for 24 hours.