Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/reel/Hamilton_Kerr_MM2-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5096-Hamilton_Kerr_MM2-V2.ps) >>/Users/jc/w/tmp/Tune-5096-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/reel/Hamilton_Kerr_MM2-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
Tune-5096-Hamilton_Kerr_MM2-V2.abc 157 ABC music file with the extracted tune(s)
Tune-5096-Hamilton_Kerr_MM2-V2.ps 6 PostScript
Tune-5096-Hamilton_Kerr_MM2-V2.txt 157 Plain-text file with the extracted tune(s)
Tune-5096-Konsta_Jylha.abc 149 ABC music file with the extracted tune(s)
Tune-5096-Konsta_Jylha.pdf 2217 Portable Data Format
Tune-5096-Konsta_Jylha.ps 6 PostScript
Tune-5096-Konsta_Jylha.txt 149 Plain-text file with the extracted tune(s)
Tune-5096-get.log 9307 Log file, useful mostly for debugging
Tune-50960-_.abc 138 ABC music file with the extracted tune(s)
Tune-50960-_.ps 6 PostScript
Tune-50960-_.txt 138 Plain-text file with the extracted tune(s)
Tune-50960-get.log 3927 Log file, useful mostly for debugging
Tune-50961-24CountryDances_1765_Thompson.abc 166 ABC music file with the extracted tune(s)
Tune-50961-24CountryDances_1765_Thompson.pdf 2217 Portable Data Format
Tune-50961-24CountryDances_1765_Thompson.ps 6 PostScript
Tune-50961-24CountryDances_1765_Thompson.txt 166 Plain-text file with the extracted tune(s)
Tune-50961-Thompson_V3_1766-1772_FTM.abc 162 ABC music file with the extracted tune(s)
Tune-50961-Thompson_V3_1766-1772_FTM.pdf 2217 Portable Data Format
Tune-50961-Thompson_V3_1766-1772_FTM.ps 6 PostScript
Tune-50961-Thompson_V3_1766-1772_FTM.txt 162 Plain-text file with the extracted tune(s)
Tune-50961-get.log 10864 Log file, useful mostly for debugging
Tune-50962-20242_Louisville_March.abc 831 ABC music file with the extracted tune(s)
Tune-50962-20242_Louisville_March.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-50962-20242_Louisville_March.ps 36121 PostScript
Tune-50962-20242_Louisville_March.txt 831 Plain-text file with the extracted tune(s)
Tune-50962-get.log 5735 Log file, useful mostly for debugging
Tune-50969-get.log 6053 Log file, useful mostly for debugging
These files should be available for 24 hours.