Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Book26/Thompson_V1_1751-1757_FTM.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6634-Thompson_V1_1751-1757_FTM.ps) >>/Users/jc/w/tmp/Tune-6634-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Book26/Thompson_V1_1751-1757_FTM.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_66348.log 122414 Log file, useful mostly for debugging
Form_66343.log 803 Log file, useful mostly for debugging
Form_66349.log 936 Log file, useful mostly for debugging
Tune-6634-Thompson_V1_1751-1757_FTM.abc 164 ABC music file with the extracted tune(s)
Tune-6634-Thompson_V1_1751-1757_FTM.ps 6 PostScript
Tune-6634-Thompson_V1_1751-1757_FTM.txt 164 Plain-text file with the extracted tune(s)
Tune-6634-get.log 8564 Log file, useful mostly for debugging
Tune-66340-get.log 4922 Log file, useful mostly for debugging
Tune-66341-get.log 3530 Log file, useful mostly for debugging
Tune-66343-get.log 4034 Log file, useful mostly for debugging
Tune-66345-get.log 4531 Log file, useful mostly for debugging
Tune-66346-get.log 3985 Log file, useful mostly for debugging
Tune-66347-get.log 5558 Log file, useful mostly for debugging
Tune-66348-get.log 15575 Log file, useful mostly for debugging
Tune-66349-get.log 2850 Log file, useful mostly for debugging
These files should be available for 24 hours.