pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9782-CDSS_CDoT.ps) >>/Users/jc/w/tmp/Tune-9782-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/CDSS_CDoT.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-9782-CDSS_CDoT.abc 8903 ABC music file with the extracted tune(s)
Tune-9782-CDSS_CDoT.ps 112939 PostScript
Tune-9782-CDSS_CDoT.txt 8903 Plain-text file with the extracted tune(s)
Tune-9782-get.log 12667 Log file, useful mostly for debugging
Tune-97822-get.log 4419 Log file, useful mostly for debugging
Tune-97826-Gow-CSR4-abc2.abc 152 ABC music file with the extracted tune(s)
Tune-97826-Gow-CSR4-abc2.txt 152 Plain-text file with the extracted tune(s)
Tune-97826-get.log 3252 Log file, useful mostly for debugging
Tune-97827-BB50.abc 143 ABC music file with the extracted tune(s)
Tune-97827-BB50.ps 6 PostScript
Tune-97827-BB50.txt 143 Plain-text file with the extracted tune(s)
Tune-97827-get.log 4000 Log file, useful mostly for debugging
Tune-97828-JamesOswald_CPC-abc2.abc 158 ABC music file with the extracted tune(s)
Tune-97828-JamesOswald_CPC-abc2.ps 6 PostScript
Tune-97828-JamesOswald_CPC-abc2.txt 158 Plain-text file with the extracted tune(s)
Tune-97828-get.log 9654 Log file, useful mostly for debugging
These files should be available for 24 hours.