Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/MacNab01/JamesJohnson_ScotsMusicalMuseumV4-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5880-JamesJohnson_ScotsMusicalMuseumV4-V2.ps) >>/Users/jc/w/tmp/Tune-5880-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/MacNab01/JamesJohnson_ScotsMusicalMuseumV4-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
Coll_58801.log 150272 Log file, useful mostly for debugging
Coll_58805.log 161667 Log file, useful mostly for debugging
Tune-5880-JamesJohnson_ScotsMusicalMuseumV4-V2.abc 177 ABC music file with the extracted tune(s)
Tune-5880-JamesJohnson_ScotsMusicalMuseumV4-V2.ps 6 PostScript
Tune-5880-JamesJohnson_ScotsMusicalMuseumV4-V2.txt 177 Plain-text file with the extracted tune(s)
Tune-5880-get.log 4636 Log file, useful mostly for debugging
Tune-58800-get.log 6181 Log file, useful mostly for debugging
Tune-58802-get.log 3502 Log file, useful mostly for debugging
Tune-58804-RSCDS_Graded1.abc 149 ABC music file with the extracted tune(s)
Tune-58804-RSCDS_Graded1.pdf 2217 Portable Data Format
Tune-58804-RSCDS_Graded1.ps 6 PostScript
Tune-58804-RSCDS_Graded1.txt 149 Plain-text file with the extracted tune(s)
Tune-58804-get.log 12595 Log file, useful mostly for debugging
Tune-58806-get.log 6650 Log file, useful mostly for debugging
Tune-58807-get.log 5063 Log file, useful mostly for debugging
Tune-58808-get.log 5045 Log file, useful mostly for debugging
Tune-58809-get.log 5232 Log file, useful mostly for debugging
These files should be available for 24 hours.