Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/MusiciansCompanionP1/Hamilton_HUTB2-1846-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5981-Hamilton_HUTB2-1846-V1.ps) >>/Users/jc/w/tmp/Tune-5981-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/MusiciansCompanionP1/Hamilton_HUTB2-1846-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
Tune-5981-Hamilton_HUTB2-1846-V1.abc 175 ABC music file with the extracted tune(s)
Tune-5981-Hamilton_HUTB2-1846-V1.ps 6 PostScript
Tune-5981-Hamilton_HUTB2-1846-V1.txt 175 Plain-text file with the extracted tune(s)
Tune-5981-get.log 4414 Log file, useful mostly for debugging
Tune-59810-get.log 4564 Log file, useful mostly for debugging
Tune-59812-get.log 8377 Log file, useful mostly for debugging
Tune-59814-get.log 9618 Log file, useful mostly for debugging
Tune-59815-get.log 3036 Log file, useful mostly for debugging
Tune-59816-get.log 5410 Log file, useful mostly for debugging
Tune-59817-get.log 7212 Log file, useful mostly for debugging
Tune-59818-get.log 3364 Log file, useful mostly for debugging
Tune-59819-get.log 10042 Log file, useful mostly for debugging
These files should be available for 24 hours.