pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-38009-195-Christmas_Carrolling_Song-V1.ps) >>/Users/jc/w/tmp/Tune-38009-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EverydaySongBook/195-Christmas_Carrolling_Song-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
Tune-38009-195-Christmas_Carrolling_Song-V1.abc 1642 ABC music file with the extracted tune(s)
Tune-38009-195-Christmas_Carrolling_Song-V1.ps 38601 PostScript
Tune-38009-195-Christmas_Carrolling_Song-V1.txt 1642 Plain-text file with the extracted tune(s)
Tune-38009-get.log 5072 Log file, useful mostly for debugging
These files should be available for 24 hours.