Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Tunes/WilliamCampbell_10thBook_1798-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6849-WilliamCampbell_10thBook_1798-V1.ps) >>/Users/jc/w/tmp/Tune-6849-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Tunes/WilliamCampbell_10thBook_1798-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-6849-Kerr_MM2-V2.abc 164 ABC music file with the extracted tune(s)
Tune-6849-Kerr_MM2-V2.pdf 2217 Portable Data Format
Tune-6849-Kerr_MM2-V2.ps 6 PostScript
Tune-6849-Kerr_MM2-V2.txt 164 Plain-text file with the extracted tune(s)
Tune-6849-WilliamCampbell_10thBook_1798-V1.abc 170 ABC music file with the extracted tune(s)
Tune-6849-WilliamCampbell_10thBook_1798-V1.ps 6 PostScript
Tune-6849-WilliamCampbell_10thBook_1798-V1.txt 170 Plain-text file with the extracted tune(s)
Tune-6849-get.log 9516 Log file, useful mostly for debugging
Tune-68490-24NewCotillons_1770_Longman.abc 166 ABC music file with the extracted tune(s)
Tune-68490-24NewCotillons_1770_Longman.txt 166 Plain-text file with the extracted tune(s)
Tune-68490-get.log 3506 Log file, useful mostly for debugging
Tune-68492-get.log 7972 Log file, useful mostly for debugging
Tune-68494-get.log 4787 Log file, useful mostly for debugging
Tune-68495-get.log 7426 Log file, useful mostly for debugging
Tune-68496-get.log 4020 Log file, useful mostly for debugging
Tune-68497-get.log 9235 Log file, useful mostly for debugging
These files should be available for 24 hours.