pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1437-032_the_Flying_Fish.ps) >>/Users/jc/w/tmp/Tune-1437-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Stewart/SCAJMR/032_the_Flying_Fish.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Tune-1437-032_the_Flying_Fish.abc 490 ABC music file with the extracted tune(s)
Tune-1437-032_the_Flying_Fish.ps 33482 PostScript
Tune-1437-032_the_Flying_Fish.txt 490 Plain-text file with the extracted tune(s)
Tune-1437-get.log 4690 Log file, useful mostly for debugging
Tune-14376-032_Lasses_of_Dunse-001.svg 24748 Scalable Vector Graphics format
Tune-14376-032_Lasses_of_Dunse.abc 800 ABC music file with the extracted tune(s)
Tune-14376-032_Lasses_of_Dunse.txt 800 Plain-text file with the extracted tune(s)
Tune-14376-get.log 4273 Log file, useful mostly for debugging
These files should be available for 24 hours.