pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7294-P4.ps) >>/Users/jc/w/tmp/Tune-7294-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/BostonCollection/P4.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_72947.log 1025 Log file, useful mostly for debugging
Tune-7294-P4.abc 2539 ABC music file with the extracted tune(s)
Tune-7294-P4.ps 36082 PostScript
Tune-7294-P4.txt 2539 Plain-text file with the extracted tune(s)
Tune-7294-get.log 19151 Log file, useful mostly for debugging
Tune-72940-get.log 4009 Log file, useful mostly for debugging
Tune-72942-Gow-CR-abc2.abc 147 ABC music file with the extracted tune(s)
Tune-72942-Gow-CR-abc2.pdf 2217 Portable Data Format
Tune-72942-Gow-CR-abc2.ps 6 PostScript
Tune-72942-Gow-CR-abc2.txt 147 Plain-text file with the extracted tune(s)
Tune-72942-get.log 4901 Log file, useful mostly for debugging
Tune-72943-get.log 4594 Log file, useful mostly for debugging
Tune-72945-get.log 1394 Log file, useful mostly for debugging
Tune-72946-get.log 5671 Log file, useful mostly for debugging
Tune-72949-General_Elliots_Delight_1.abc 465 ABC music file with the extracted tune(s)
Tune-72949-General_Elliots_Delight_1.ps 33609 PostScript
Tune-72949-General_Elliots_Delight_1.txt 465 Plain-text file with the extracted tune(s)
Tune-72949-get.log 4997 Log file, useful mostly for debugging
These files should be available for 24 hours.