Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/abc1/EverydaySongBook1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7282-EverydaySongBook1.ps) >>/Users/jc/w/tmp/Tune-7282-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/abc1/EverydaySongBook1.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_72820.log 461363 Log file, useful mostly for debugging
Tune-7282-EverydaySongBook1.abc 154 ABC music file with the extracted tune(s)
Tune-7282-EverydaySongBook1.ps 6 PostScript
Tune-7282-EverydaySongBook1.txt 154 Plain-text file with the extracted tune(s)
Tune-7282-Kauntze_CotmfD_VO.abc 157 ABC music file with the extracted tune(s)
Tune-7282-Kauntze_CotmfD_VO.pdf 2217 Portable Data Format
Tune-7282-Kauntze_CotmfD_VO.ps 6 PostScript
Tune-7282-Kauntze_CotmfD_VO.txt 157 Plain-text file with the extracted tune(s)
Tune-7282-get.log 9289 Log file, useful mostly for debugging
Tune-72820-Pioneer.abc 144 ABC music file with the extracted tune(s)
Tune-72820-Pioneer.ps 6 PostScript
Tune-72820-Pioneer.txt 144 Plain-text file with the extracted tune(s)
Tune-72820-get.log 3930 Log file, useful mostly for debugging
Tune-72821-get.log 4149 Log file, useful mostly for debugging
Tune-72823-24CountryDances_1799_Preston.abc 165 ABC music file with the extracted tune(s)
Tune-72823-24CountryDances_1799_Preston.pdf 2217 Portable Data Format
Tune-72823-24CountryDances_1799_Preston.ps 6 PostScript
Tune-72823-24CountryDances_1799_Preston.txt 165 Plain-text file with the extracted tune(s)
Tune-72823-get.log 5404 Log file, useful mostly for debugging
Tune-72827-get.log 18137 Log file, useful mostly for debugging
Tune-72828-get.log 6689 Log file, useful mostly for debugging
These files should be available for 24 hours.