pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6695-MaryHamiltonOfAuchincruiveA_D.ps) >>/Users/jc/w/tmp/Tune-6695-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/500/MaryHamiltonOfAuchincruiveA_D.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-6695-MaryHamiltonOfAuchincruiveA_D.abc 494 ABC music file with the extracted tune(s)
Tune-6695-MaryHamiltonOfAuchincruiveA_D.ps 34761 PostScript
Tune-6695-MaryHamiltonOfAuchincruiveA_D.txt 494 Plain-text file with the extracted tune(s)
Tune-6695-get.log 14733 Log file, useful mostly for debugging
Tune-66950-get.log 5019 Log file, useful mostly for debugging
Tune-66953-20531_Rondo_Allegretto-001.svg 76110 Scalable Vector Graphics format
Tune-66953-20531_Rondo_Allegretto.abc 1733 ABC music file with the extracted tune(s)
Tune-66953-20531_Rondo_Allegretto.txt 1733 Plain-text file with the extracted tune(s)
Tune-66953-get.log 4319 Log file, useful mostly for debugging
Tune-66955-get.log 3266 Log file, useful mostly for debugging
These files should be available for 24 hours.