pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6743-191_Rickets_Ride.ps) >>/Users/jc/w/tmp/Tune-6743-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/JohnTreat/GftF/191_Rickets_Ride.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-6743-191_Rickets_Ride.abc 628 ABC music file with the extracted tune(s)
Tune-6743-191_Rickets_Ride.ps 34481 PostScript
Tune-6743-191_Rickets_Ride.txt 628 Plain-text file with the extracted tune(s)
Tune-6743-get.log 4610 Log file, useful mostly for debugging
Tune-67432-Thompson_V1_1751-1757_FTM.abc 162 ABC music file with the extracted tune(s)
Tune-67432-Thompson_V1_1751-1757_FTM.ps 6 PostScript
Tune-67432-Thompson_V1_1751-1757_FTM.txt 162 Plain-text file with the extracted tune(s)
Tune-67432-get.log 4431 Log file, useful mostly for debugging
Tune-67436-get.log 4159 Log file, useful mostly for debugging
These files should be available for 24 hours.