pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-17872-CalmBeforeTheStorm.ps) >>/Users/jc/w/tmp/Tune-17872-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/Scotland/CalmBeforeTheStorm.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-17872-AGR03-001.svg 55596 Scalable Vector Graphics format
Tune-17872-AGR03.abc 1672 ABC music file with the extracted tune(s)
Tune-17872-AGR03.txt 1672 Plain-text file with the extracted tune(s)
Tune-17872-CalmBeforeTheStorm.abc 2143 ABC music file with the extracted tune(s)
Tune-17872-CalmBeforeTheStorm.ps 50017 PostScript
Tune-17872-CalmBeforeTheStorm.txt 2143 Plain-text file with the extracted tune(s)
Tune-17872-get.log 8937 Log file, useful mostly for debugging
These files should be available for 24 hours.