pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1707-30764_Babbits_Hornpipe.ps) >>/Users/jc/w/tmp/Tune-1707-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EliasHowe/MusiciansCompanionP3/30764_Babbits_Hornpipe.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_1707.log 149254 Log file, useful mostly for debugging
Coll_17070.log 294166 Log file, useful mostly for debugging
Coll_17075.log 260446 Log file, useful mostly for debugging
Form_17070.log 844 Log file, useful mostly for debugging
Form_17079.log 986 Log file, useful mostly for debugging
Tune-1707-30764_Babbits_Hornpipe.abc 726 ABC music file with the extracted tune(s)
Tune-1707-30764_Babbits_Hornpipe.ps 35745 PostScript
Tune-1707-30764_Babbits_Hornpipe.txt 726 Plain-text file with the extracted tune(s)
Tune-1707-get.log 4877 Log file, useful mostly for debugging
Tune-17071-get.log 10359 Log file, useful mostly for debugging
Tune-17072-get.log 5969 Log file, useful mostly for debugging
Tune-17075-get.log 10505 Log file, useful mostly for debugging
Tune-17079-get.log 9410 Log file, useful mostly for debugging
These files should be available for 24 hours.