Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1792/EFDSS_CDM6.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2602-EFDSS_CDM6.ps) >>/Users/jc/w/tmp/Tune-2602-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1792/EFDSS_CDM6.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-2602-EFDSS_CDM6.abc 147 ABC music file with the extracted tune(s)
Tune-2602-EFDSS_CDM6.ps 6 PostScript
Tune-2602-EFDSS_CDM6.txt 147 Plain-text file with the extracted tune(s)
Tune-2602-get.log 8053 Log file, useful mostly for debugging
Tune-26023-ERM-V1.abc 143 ABC music file with the extracted tune(s)
Tune-26023-ERM-V1.txt 143 Plain-text file with the extracted tune(s)
Tune-26023-get.log 3114 Log file, useful mostly for debugging
Tune-26027-NorthumbrianMinstrelsy.abc 159 ABC music file with the extracted tune(s)
Tune-26027-NorthumbrianMinstrelsy.pdf 2217 Portable Data Format
Tune-26027-NorthumbrianMinstrelsy.ps 6 PostScript
Tune-26027-NorthumbrianMinstrelsy.txt 159 Plain-text file with the extracted tune(s)
Tune-26027-get.log 5230 Log file, useful mostly for debugging
Tune-26029-get.log 14458 Log file, useful mostly for debugging
These files should be available for 24 hours.