Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/MusiciansCompanionP1/SCD_Book49-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2887-SCD_Book49-V1.ps) >>/Users/jc/w/tmp/Tune-2887-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/MusiciansCompanionP1/SCD_Book49-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
Form_28871.log 889 Log file, useful mostly for debugging
Tune-2887-SCD_Book49-V1.abc 166 ABC music file with the extracted tune(s)
Tune-2887-SCD_Book49-V1.ps 6 PostScript
Tune-2887-SCD_Book49-V1.txt 166 Plain-text file with the extracted tune(s)
Tune-2887-get.log 8525 Log file, useful mostly for debugging
Tune-28874-get.log 1386 Log file, useful mostly for debugging
Tune-28876-Gow-CSR2-abc2.abc 151 ABC music file with the extracted tune(s)
Tune-28876-Gow-CSR2-abc2.ps 6 PostScript
Tune-28876-Gow-CSR2-abc2.txt 151 Plain-text file with the extracted tune(s)
Tune-28876-get.log 4185 Log file, useful mostly for debugging
Tune-28877-get.log 26784 Log file, useful mostly for debugging
Tune-28878-get.log 28299 Log file, useful mostly for debugging
Tune-28879-get.log 4071 Log file, useful mostly for debugging
These files should be available for 24 hours.