Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Pioneer/IgnatiusSancho_CNS_v2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9270-IgnatiusSancho_CNS_v2.ps) >>/Users/jc/w/tmp/Tune-9270-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Pioneer/IgnatiusSancho_CNS_v2.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-9270-IgnatiusSancho_CNS_v2.abc 161 ABC music file with the extracted tune(s)
Tune-9270-IgnatiusSancho_CNS_v2.ps 6 PostScript
Tune-9270-IgnatiusSancho_CNS_v2.txt 161 Plain-text file with the extracted tune(s)
Tune-9270-get.log 4311 Log file, useful mostly for debugging
Tune-92709-24CountryDances_1811_Goulding_dAlmaine_Potter.abc 181 ABC music file with the extracted tune(s)
Tune-92709-24CountryDances_1811_Goulding_dAlmaine_Potter.pdf 2217 Portable Data Format
Tune-92709-24CountryDances_1811_Goulding_dAlmaine_Potter.ps 6 PostScript
Tune-92709-24CountryDances_1811_Goulding_dAlmaine_Potter.txt 181 Plain-text file with the extracted tune(s)
Tune-92709-get.log 5893 Log file, useful mostly for debugging
These files should be available for 24 hours.