Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/MM1/Jean_Henry_dAnglebert_PdC2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6890-Jean_Henry_dAnglebert_PdC2.ps) >>/Users/jc/w/tmp/Tune-6890-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/MM1/Jean_Henry_dAnglebert_PdC2.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-6890-Jean_Henry_dAnglebert_PdC2.abc 162 ABC music file with the extracted tune(s)
Tune-6890-Jean_Henry_dAnglebert_PdC2.ps 6 PostScript
Tune-6890-Jean_Henry_dAnglebert_PdC2.txt 162 Plain-text file with the extracted tune(s)
Tune-6890-get.log 4394 Log file, useful mostly for debugging
Tune-68900-Kohlers.abc 144 ABC music file with the extracted tune(s)
Tune-68900-Kohlers.ps 6 PostScript
Tune-68900-Kohlers.txt 144 Plain-text file with the extracted tune(s)
Tune-68900-get.log 16396 Log file, useful mostly for debugging
Tune-68902-EverydaySongBook2.abc 154 ABC music file with the extracted tune(s)
Tune-68902-get.log 2795 Log file, useful mostly for debugging
Tune-68903-24CountryDances_1809_Cahusac_JC.abc 168 ABC music file with the extracted tune(s)
Tune-68903-24CountryDances_1809_Cahusac_JC.ps 6 PostScript
Tune-68903-24CountryDances_1809_Cahusac_JC.txt 168 Plain-text file with the extracted tune(s)
Tune-68903-get.log 27249 Log file, useful mostly for debugging
Tune-68904-get.log 10298 Log file, useful mostly for debugging
Tune-68906-24CountryDances_1802_Thompson.abc 169 ABC music file with the extracted tune(s)
Tune-68906-24CountryDances_1802_Thompson.pdf 2217 Portable Data Format
Tune-68906-24CountryDances_1802_Thompson.ps 6 PostScript
Tune-68906-24CountryDances_1802_Thompson.txt 169 Plain-text file with the extracted tune(s)
Tune-68906-get.log 5455 Log file, useful mostly for debugging
Tune-68908-SkillernChalloner_PCD1.abc 159 ABC music file with the extracted tune(s)
Tune-68908-SkillernChalloner_PCD1.ps 6 PostScript
Tune-68908-SkillernChalloner_PCD1.txt 159 Plain-text file with the extracted tune(s)
Tune-68908-get.log 4364 Log file, useful mostly for debugging
Tune-68909-NorthumbrianMinstrelsy.abc 159 ABC music file with the extracted tune(s)
Tune-68909-NorthumbrianMinstrelsy.pdf 2217 Portable Data Format
Tune-68909-NorthumbrianMinstrelsy.ps 6 PostScript
Tune-68909-NorthumbrianMinstrelsy.txt 159 Plain-text file with the extracted tune(s)
Tune-68909-get.log 5232 Log file, useful mostly for debugging
These files should be available for 24 hours.