Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Potpourri/EliasHowe_MusiciansCompanionP2-1843-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6535-EliasHowe_MusiciansCompanionP2-1843-V2.ps) >>/Users/jc/w/tmp/Tune-6535-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Potpourri/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_65355.log 837 Log file, useful mostly for debugging
Form_65357.log 815 Log file, useful mostly for debugging
Tune-6535-24CountryDances_1748_TDavis.abc 170 ABC music file with the extracted tune(s)
Tune-6535-24CountryDances_1748_TDavis.pdf 2217 Portable Data Format
Tune-6535-24CountryDances_1748_TDavis.ps 6 PostScript
Tune-6535-24CountryDances_1748_TDavis.txt 170 Plain-text file with the extracted tune(s)
Tune-6535-EliasHowe_MusiciansCompanionP2-1843-V2.abc 180 ABC music file with the extracted tune(s)
Tune-6535-EliasHowe_MusiciansCompanionP2-1843-V2.ps 6 PostScript
Tune-6535-EliasHowe_MusiciansCompanionP2-1843-V2.txt 180 Plain-text file with the extracted tune(s)
Tune-6535-get.log 14640 Log file, useful mostly for debugging
Tune-65350-get.log 5771 Log file, useful mostly for debugging
Tune-65352-Gow-CSR2-abc2.abc 152 ABC music file with the extracted tune(s)
Tune-65352-Gow-CSR2-abc2.pdf 2217 Portable Data Format
Tune-65352-Gow-CSR2-abc2.ps 6 PostScript
Tune-65352-Gow-CSR2-abc2.txt 152 Plain-text file with the extracted tune(s)
Tune-65352-get.log 4983 Log file, useful mostly for debugging
These files should be available for 24 hours.