pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-64299-0632_DANDY_JIM_OF_CAROLINE.ps) >>/Users/jc/w/tmp/Tune-64299-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/BostonCollection/0632_DANDY_JIM_OF_CAROLINE.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-64299-0632_DANDY_JIM_OF_CAROLINE.abc 553 ABC music file with the extracted tune(s)
Tune-64299-0632_DANDY_JIM_OF_CAROLINE.ps 33898 PostScript
Tune-64299-0632_DANDY_JIM_OF_CAROLINE.txt 553 Plain-text file with the extracted tune(s)
Tune-64299-get.log 9420 Log file, useful mostly for debugging
These files should be available for 24 hours.