pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-74828-183_Miss_Bettsey_Robersons_Reel.ps) >>/Users/jc/w/tmp/Tune-74828-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/AndersonsBudgetV1/183_Miss_Bettsey_Robersons_Reel.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-74828-183_Miss_Bettsey_Robersons_Reel.abc 589 ABC music file with the extracted tune(s)
Tune-74828-183_Miss_Bettsey_Robersons_Reel.ps 34616 PostScript
Tune-74828-183_Miss_Bettsey_Robersons_Reel.txt 589 Plain-text file with the extracted tune(s)
Tune-74828-Slaughter_House.abc 1410 ABC music file with the extracted tune(s)
Tune-74828-Slaughter_House.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-74828-Slaughter_House.ps 35184 PostScript
Tune-74828-Slaughter_House.txt 1410 Plain-text file with the extracted tune(s)
Tune-74828-get.log 10576 Log file, useful mostly for debugging
These files should be available for 24 hours.