pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-22633-0331_.ps) >>/Users/jc/w/tmp/Tune-22633-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/BostonCollection/0331_.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_22633.log 849 Log file, useful mostly for debugging
Tune-22633-0331_.abc 64 ABC music file with the extracted tune(s)
Tune-22633-0331_.ps 6 PostScript
Tune-22633-0331_.txt 64 Plain-text file with the extracted tune(s)
Tune-22633-Cherry_and_Merry.abc 474 ABC music file with the extracted tune(s)
Tune-22633-Cherry_and_Merry.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-22633-Cherry_and_Merry.ps 34798 PostScript
Tune-22633-Cherry_and_Merry.txt 474 Plain-text file with the extracted tune(s)
Tune-22633-get.log 9274 Log file, useful mostly for debugging
These files should be available for 24 hours.