pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-673-CR74.ps) >>/Users/jc/w/tmp/Tune-673-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Contra/CR74.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_67302.log 136356 Log file, useful mostly for debugging
Coll_6731.log 391110 Log file, useful mostly for debugging
Coll_67315.log 355985 Log file, useful mostly for debugging
Coll_67326.log 339125 Log file, useful mostly for debugging
Coll_67337.log 346150 Log file, useful mostly for debugging
Coll_67348.log 339125 Log file, useful mostly for debugging
Coll_67360.log 339125 Log file, useful mostly for debugging
Coll_67374.log 340530 Log file, useful mostly for debugging
Coll_67385.log 337720 Log file, useful mostly for debugging
Coll_67396.log 341935 Log file, useful mostly for debugging
Find_67361.log 1463 Log file, useful mostly for debugging
Tune-673-CR74.abc 1996 ABC music file with the extracted tune(s)
Tune-673-CR74.ps 48944 PostScript
Tune-673-CR74.txt 1996 Plain-text file with the extracted tune(s)
Tune-673-get.log 4273 Log file, useful mostly for debugging
Tune-67303-get.log 4247 Log file, useful mostly for debugging
Tune-67309-get.log 3688 Log file, useful mostly for debugging
Tune-67310-get.log 3863 Log file, useful mostly for debugging
Tune-67315-get.log 4478 Log file, useful mostly for debugging
Tune-67322-get.log 3204 Log file, useful mostly for debugging
Tune-67329-get.log 1422 Log file, useful mostly for debugging
Tune-67331-get.log 5210 Log file, useful mostly for debugging
Tune-67349-get.log 3222 Log file, useful mostly for debugging
Tune-67350-get.log 3672 Log file, useful mostly for debugging
Tune-67362-get.log 4241 Log file, useful mostly for debugging
Tune-6738-get.log 3690 Log file, useful mostly for debugging
Tune-67389-get.log 4329 Log file, useful mostly for debugging
Tune-67392-get.log 5680 Log file, useful mostly for debugging
Tune-67395-get.log 4463 Log file, useful mostly for debugging
These files should be available for 24 hours.