Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/AmericanSD/MichaelDabney_12Minuets12Dances-1760-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-90911-MichaelDabney_12Minuets12Dances-1760-V2.ps) >>/Users/jc/w/tmp/Tune-90911-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/AmericanSD/MichaelDabney_12Minuets12Dances-1760-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-90911-045_Carrousel.abc 929 ABC music file with the extracted tune(s)
Tune-90911-045_Carrousel.pdf 19734 Portable Data Format
Tune-90911-045_Carrousel.ps 35136 PostScript
Tune-90911-045_Carrousel.txt 929 Plain-text file with the extracted tune(s)
Tune-90911-MichaelDabney_12Minuets12Dances-1760-V2.abc 182 ABC music file with the extracted tune(s)
Tune-90911-MichaelDabney_12Minuets12Dances-1760-V2.ps 6 PostScript
Tune-90911-MichaelDabney_12Minuets12Dances-1760-V2.txt 182 Plain-text file with the extracted tune(s)
Tune-90911-get.log 10120 Log file, useful mostly for debugging
These files should be available for 24 hours.