pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1513-10623_Tempest.ps) >>/Users/jc/w/tmp/Tune-1513-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EliasHowe/MusiciansCompanionP1/10623_Tempest.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_15139.log 168817 Log file, useful mostly for debugging
Tune-1513-10623_Tempest.abc 647 ABC music file with the extracted tune(s)
Tune-1513-10623_Tempest.ps 34442 PostScript
Tune-1513-10623_Tempest.txt 647 Plain-text file with the extracted tune(s)
Tune-1513-get.log 8867 Log file, useful mostly for debugging
Tune-15132-get.log 3086 Log file, useful mostly for debugging
Tune-15134-get.log 7606 Log file, useful mostly for debugging
Tune-15137-get.log 4085 Log file, useful mostly for debugging
Tune-15138-get.log 4537 Log file, useful mostly for debugging
These files should be available for 24 hours.