Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1782/JohnJohnson_ChoiceCollectionVol8-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2781-JohnJohnson_ChoiceCollectionVol8-V1.ps) >>/Users/jc/w/tmp/Tune-2781-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1782/JohnJohnson_ChoiceCollectionVol8-V1.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_2781.log 653012 Log file, useful mostly for debugging
Tune-2781-JohnJohnson_ChoiceCollectionVol8-V1.abc 172 ABC music file with the extracted tune(s)
Tune-2781-JohnJohnson_ChoiceCollectionVol8-V1.ps 6 PostScript
Tune-2781-JohnJohnson_ChoiceCollectionVol8-V1.txt 172 Plain-text file with the extracted tune(s)
Tune-2781-get.log 4593 Log file, useful mostly for debugging
Tune-27810-2312_Bonnets_o_Blue.abc 585 ABC music file with the extracted tune(s)
Tune-27810-2312_Bonnets_o_Blue.pdf 17252 Portable Data Format
Tune-27810-2312_Bonnets_o_Blue.ps 36441 PostScript
Tune-27810-2312_Bonnets_o_Blue.txt 585 Plain-text file with the extracted tune(s)
Tune-27810-get.log 5630 Log file, useful mostly for debugging
Tune-27811-Thompson_V2_1758-1765_FTM.abc 162 ABC music file with the extracted tune(s)
Tune-27811-Thompson_V2_1758-1765_FTM.txt 162 Plain-text file with the extracted tune(s)
Tune-27811-get.log 3454 Log file, useful mostly for debugging
Tune-27812-get.log 4449 Log file, useful mostly for debugging
Tune-27813-get.log 9338 Log file, useful mostly for debugging
Tune-27815-get.log 4918 Log file, useful mostly for debugging
Tune-27816-get.log 4115 Log file, useful mostly for debugging
Tune-27818-get.log 4884 Log file, useful mostly for debugging
Tune-27819-Thompson_V3_1766-1772_FTM.abc 162 ABC music file with the extracted tune(s)
Tune-27819-Thompson_V3_1766-1772_FTM.ps 6 PostScript
Tune-27819-Thompson_V3_1766-1772_FTM.txt 162 Plain-text file with the extracted tune(s)
Tune-27819-get.log 8831 Log file, useful mostly for debugging
These files should be available for 24 hours.