Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1810/CaledonianMusicalRepository.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5692-CaledonianMusicalRepository.ps) >>/Users/jc/w/tmp/Tune-5692-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1810/CaledonianMusicalRepository.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_56926.log 287608 Log file, useful mostly for debugging
Find_56924.log 1856 Log file, useful mostly for debugging
Tune-5692-CaledonianMusicalRepository.abc 164 ABC music file with the extracted tune(s)
Tune-5692-CaledonianMusicalRepository.ps 6 PostScript
Tune-5692-CaledonianMusicalRepository.txt 164 Plain-text file with the extracted tune(s)
Tune-5692-get.log 4425 Log file, useful mostly for debugging
Tune-56923-IgnatiusSancho_CNS_v1.abc 158 ABC music file with the extracted tune(s)
Tune-56923-IgnatiusSancho_CNS_v1.ps 6 PostScript
Tune-56923-IgnatiusSancho_CNS_v1.txt 158 Plain-text file with the extracted tune(s)
Tune-56923-get.log 4343 Log file, useful mostly for debugging
Tune-56924-get.log 5350 Log file, useful mostly for debugging
Tune-56925-KittyBridges_1745_VO.abc 157 ABC music file with the extracted tune(s)
Tune-56925-KittyBridges_1745_VO.pdf 2217 Portable Data Format
Tune-56925-KittyBridges_1745_VO.ps 6 PostScript
Tune-56925-KittyBridges_1745_VO.txt 157 Plain-text file with the extracted tune(s)
Tune-56925-get.log 5168 Log file, useful mostly for debugging
These files should be available for 24 hours.