Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1782/JohnTreat_GftF1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1346-JohnTreat_GftF1.ps) >>/Users/jc/w/tmp/Tune-1346-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1782/JohnTreat_GftF1.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-1346-JohnTreat_GftF1.abc 152 ABC music file with the extracted tune(s)
Tune-1346-JohnTreat_GftF1.ps 6 PostScript
Tune-1346-JohnTreat_GftF1.txt 152 Plain-text file with the extracted tune(s)
Tune-1346-get.log 4171 Log file, useful mostly for debugging
Tune-13460-Straight_Skillern.abc 154 ABC music file with the extracted tune(s)
Tune-13460-Straight_Skillern.pdf 2217 Portable Data Format
Tune-13460-Straight_Skillern.ps 6 PostScript
Tune-13460-Straight_Skillern.txt 154 Plain-text file with the extracted tune(s)
Tune-13460-get.log 5085 Log file, useful mostly for debugging
Tune-13462-24CountryDances_1805_Gray_Thompson.abc 171 ABC music file with the extracted tune(s)
Tune-13462-24CountryDances_1805_Gray_Thompson.ps 6 PostScript
Tune-13462-24CountryDances_1805_Gray_Thompson.txt 171 Plain-text file with the extracted tune(s)
Tune-13462-get.log 4497 Log file, useful mostly for debugging
Tune-13464-RobertPurdie_TomThumb.abc 158 ABC music file with the extracted tune(s)
Tune-13464-RobertPurdie_TomThumb.ps 6 PostScript
Tune-13464-RobertPurdie_TomThumb.txt 158 Plain-text file with the extracted tune(s)
Tune-13464-get.log 4343 Log file, useful mostly for debugging
Tune-13465-get.log 5511 Log file, useful mostly for debugging
These files should be available for 24 hours.