Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/save/JamesOswald_CPC-abc1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8188-JamesOswald_CPC-abc1.ps) >>/Users/jc/w/tmp/Tune-8188-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/save/JamesOswald_CPC-abc1.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_81886.log 287611 Log file, useful mostly for debugging
Tune-8188-JamesOswald_CPC-abc1.abc 157 ABC music file with the extracted tune(s)
Tune-8188-JamesOswald_CPC-abc1.ps 6 PostScript
Tune-8188-JamesOswald_CPC-abc1.txt 157 Plain-text file with the extracted tune(s)
Tune-8188-get.log 4278 Log file, useful mostly for debugging
Tune-81880-get.log 4374 Log file, useful mostly for debugging
Tune-81882-WalterRainstorp_WRCB.abc 157 ABC music file with the extracted tune(s)
Tune-81882-WalterRainstorp_WRCB.txt 157 Plain-text file with the extracted tune(s)
Tune-81882-get.log 3366 Log file, useful mostly for debugging
Tune-81886-ViolaRuth_PWFT.abc 151 ABC music file with the extracted tune(s)
Tune-81886-ViolaRuth_PWFT.txt 151 Plain-text file with the extracted tune(s)
Tune-81886-get.log 7750 Log file, useful mostly for debugging
Tune-81887-SkillernChalloner_PCD1.abc 159 ABC music file with the extracted tune(s)
Tune-81887-SkillernChalloner_PCD1.ps 6 PostScript
Tune-81887-SkillernChalloner_PCD1.txt 159 Plain-text file with the extracted tune(s)
Tune-81887-get.log 4245 Log file, useful mostly for debugging
These files should be available for 24 hours.