pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8462-Care_Thou_Canker.ps) >>/Users/jc/w/tmp/Tune-8462-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Brewer/Care_Thou_Canker.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_84625.log 857464 Log file, useful mostly for debugging
Coll_84626.log 867930 Log file, useful mostly for debugging
Form_8462.log 2845 Log file, useful mostly for debugging
Form_84625.log 875 Log file, useful mostly for debugging
Tune-8462-Care_Thou_Canker.abc 265 ABC music file with the extracted tune(s)
Tune-8462-Care_Thou_Canker.ps 31834 PostScript
Tune-8462-Care_Thou_Canker.txt 265 Plain-text file with the extracted tune(s)
Tune-8462-get.log 4548 Log file, useful mostly for debugging
Tune-84621-21791_NAPOLEONS_MARCH-001.svg 41545 Scalable Vector Graphics format
Tune-84621-21791_NAPOLEONS_MARCH.abc 1087 ABC music file with the extracted tune(s)
Tune-84621-21791_NAPOLEONS_MARCH.txt 1087 Plain-text file with the extracted tune(s)
Tune-84621-get.log 9359 Log file, useful mostly for debugging
Tune-84623-get.log 3468 Log file, useful mostly for debugging
Tune-84626-get.log 5774 Log file, useful mostly for debugging
Tune-84627-get.log 1690 Log file, useful mostly for debugging
Tune-84629-get.log 3583 Log file, useful mostly for debugging
These files should be available for 24 hours.