pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-941-Portsmouth.ps) >>/Users/jc/w/tmp/Tune-941-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/JohnWalsh/Portsmouth.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_94167.log 139056 Log file, useful mostly for debugging
Find_94157.log 1495 Log file, useful mostly for debugging
Form_94107.log 830 Log file, useful mostly for debugging
Form_94118.log 820 Log file, useful mostly for debugging
Form_94159.log 818 Log file, useful mostly for debugging
Form_94178.log 820 Log file, useful mostly for debugging
Form_94186.log 829 Log file, useful mostly for debugging
Form_94192.log 847 Log file, useful mostly for debugging
Sess-9418.log 12561 Log file, useful mostly for debugging
Tune-941-Portsmouth.abc 1518 ABC music file with the extracted tune(s)
Tune-941-Portsmouth.ps 35488 PostScript
Tune-941-Portsmouth.txt 1518 Plain-text file with the extracted tune(s)
Tune-941-get.log 4398 Log file, useful mostly for debugging
Tune-94100-get.log 8195 Log file, useful mostly for debugging
Tune-94103-get.log 4243 Log file, useful mostly for debugging
Tune-94106-get.log 4007 Log file, useful mostly for debugging
Tune-94109-get.log 4245 Log file, useful mostly for debugging
Tune-94115-William_Clarke_MS_1770.abc 159 ABC music file with the extracted tune(s)
Tune-94115-William_Clarke_MS_1770.txt 159 Plain-text file with the extracted tune(s)
Tune-94115-get.log 3400 Log file, useful mostly for debugging
Tune-9412-get.log 9181 Log file, useful mostly for debugging
Tune-94121-21112_Dainty_Davie.abc 517 ABC music file with the extracted tune(s)
Tune-94121-21112_Dainty_Davie.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-94121-21112_Dainty_Davie.ps 34721 PostScript
Tune-94121-21112_Dainty_Davie.txt 517 Plain-text file with the extracted tune(s)
Tune-94121-get.log 5375 Log file, useful mostly for debugging
Tune-94125-get.log 5933 Log file, useful mostly for debugging
Tune-94132-get.log 5108 Log file, useful mostly for debugging
Tune-94136-Brighthelmstone_Hot_Bath.abc 464 ABC music file with the extracted tune(s)
Tune-94136-Brighthelmstone_Hot_Bath.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-94136-Brighthelmstone_Hot_Bath.ps 34161 PostScript
Tune-94136-Brighthelmstone_Hot_Bath.txt 464 Plain-text file with the extracted tune(s)
Tune-94136-get.log 10162 Log file, useful mostly for debugging
Tune-94140-Bow_Bells.abc 390 ABC music file with the extracted tune(s)
Tune-94140-Bow_Bells.pdf 10964 Portable Data Format
Tune-94140-Bow_Bells.ps 33240 PostScript
Tune-94140-Bow_Bells.txt 390 Plain-text file with the extracted tune(s)
Tune-94140-get.log 5187 Log file, useful mostly for debugging
Tune-94141-get.log 4381 Log file, useful mostly for debugging
Tune-94143-get.log 5228 Log file, useful mostly for debugging
Tune-94146-get.log 4301 Log file, useful mostly for debugging
Tune-94147-get.log 3276 Log file, useful mostly for debugging
Tune-94148-24CountryDances_1766_Johnson.abc 165 ABC music file with the extracted tune(s)
Tune-94148-24CountryDances_1766_Johnson.txt 165 Plain-text file with the extracted tune(s)
Tune-94148-get.log 3508 Log file, useful mostly for debugging
Tune-9415-get.log 5020 Log file, useful mostly for debugging
Tune-94158-get.log 5469 Log file, useful mostly for debugging
Tune-94164-get.log 4245 Log file, useful mostly for debugging
Tune-94165-get.log 4247 Log file, useful mostly for debugging
Tune-94166-Waefu_Heart_1806.abc 1650 ABC music file with the extracted tune(s)
Tune-94166-Waefu_Heart_1806.ps 38530 PostScript
Tune-94166-Waefu_Heart_1806.txt 1650 Plain-text file with the extracted tune(s)
Tune-94166-get.log 5390 Log file, useful mostly for debugging
Tune-94168-get.log 3654 Log file, useful mostly for debugging
Tune-94175-get.log 5567 Log file, useful mostly for debugging
Tune-94179-get.log 3368 Log file, useful mostly for debugging
Tune-94185-Nelson.abc 142 ABC music file with the extracted tune(s)
Tune-94185-Nelson.ps 6 PostScript
Tune-94185-Nelson.txt 142 Plain-text file with the extracted tune(s)
Tune-94185-get.log 4022 Log file, useful mostly for debugging
Tune-94187-get.log 8207 Log file, useful mostly for debugging
Tune-9419-get.log 1456 Log file, useful mostly for debugging
Tune-94190-get.log 5501 Log file, useful mostly for debugging
Tune-94191-get.log 4509 Log file, useful mostly for debugging
Tune-94192-get.log 5058 Log file, useful mostly for debugging
Tune-94193-get.log 4112 Log file, useful mostly for debugging
Tune-94194-get.log 4875 Log file, useful mostly for debugging
Tune-94197-get.log 4699 Log file, useful mostly for debugging
These files should be available for 24 hours.