Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/MusiciansCompanionP1/Stewart_SCAJMR_1784-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4032-Stewart_SCAJMR_1784-V2.ps) >>/Users/jc/w/tmp/Tune-4032-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/MusiciansCompanionP1/Stewart_SCAJMR_1784-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-4032-Stewart_SCAJMR_1784-V2.abc 175 ABC music file with the extracted tune(s)
Tune-4032-Stewart_SCAJMR_1784-V2.ps 6 PostScript
Tune-4032-Stewart_SCAJMR_1784-V2.txt 175 Plain-text file with the extracted tune(s)
Tune-4032-get.log 7590 Log file, useful mostly for debugging
Tune-40321-get.log 13419 Log file, useful mostly for debugging
Tune-40323-get.log 6404 Log file, useful mostly for debugging
Tune-40325-get.log 4841 Log file, useful mostly for debugging
Tune-40326-get.log 4257 Log file, useful mostly for debugging
Tune-40328-get.log 4253 Log file, useful mostly for debugging
Tune-40329-get.log 3867 Log file, useful mostly for debugging
These files should be available for 24 hours.