pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-774-Millers_dance_on_the_Windmill.ps) >>/Users/jc/w/tmp/Tune-774-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/JohnWalsh/Millers_dance_on_the_Windmill.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_77421.log 11124 Log file, useful mostly for debugging
Coll_77423.log 2307346 Log file, useful mostly for debugging
Find_77409.log 1773 Log file, useful mostly for debugging
Find_77435.log 1558 Log file, useful mostly for debugging
Form_77402.log 837 Log file, useful mostly for debugging
Form_77415.log 849 Log file, useful mostly for debugging
Form_77443.log 1010 Log file, useful mostly for debugging
Form_77493.log 932 Log file, useful mostly for debugging
Tune-774-Millers_dance_on_the_Windmill.abc 485 ABC music file with the extracted tune(s)
Tune-774-Millers_dance_on_the_Windmill.ps 33799 PostScript
Tune-774-Millers_dance_on_the_Windmill.txt 485 Plain-text file with the extracted tune(s)
Tune-774-get.log 4910 Log file, useful mostly for debugging
Tune-77401-get.log 7724 Log file, useful mostly for debugging
Tune-77404-IaST-abc2.abc 145 ABC music file with the extracted tune(s)
Tune-77404-IaST-abc2.pdf 2217 Portable Data Format
Tune-77404-IaST-abc2.ps 6 PostScript
Tune-77404-IaST-abc2.txt 145 Plain-text file with the extracted tune(s)
Tune-77404-get.log 4847 Log file, useful mostly for debugging
Tune-77405-get.log 1363 Log file, useful mostly for debugging
Tune-77406-get.log 4490 Log file, useful mostly for debugging
Tune-7741-get.log 9534 Log file, useful mostly for debugging
Tune-77413-get.log 5445 Log file, useful mostly for debugging
Tune-77415-get.log 1464 Log file, useful mostly for debugging
Tune-77416-Highland_Lass.abc 887 ABC music file with the extracted tune(s)
Tune-77416-Highland_Lass.pdf 15980 Portable Data Format
Tune-77416-Highland_Lass.ps 33764 PostScript
Tune-77416-Highland_Lass.txt 887 Plain-text file with the extracted tune(s)
Tune-77416-get.log 9730 Log file, useful mostly for debugging
Tune-77417-get.log 36696 Log file, useful mostly for debugging
Tune-77421-10982_Aiken_Drum-001.svg 16206 Scalable Vector Graphics format
Tune-77421-10982_Aiken_Drum.abc 618 ABC music file with the extracted tune(s)
Tune-77421-10982_Aiken_Drum.txt 618 Plain-text file with the extracted tune(s)
Tune-77421-get.log 4141 Log file, useful mostly for debugging
Tune-77424-get.log 4660 Log file, useful mostly for debugging
Tune-77429-get.log 3574 Log file, useful mostly for debugging
Tune-77430-get.log 4818 Log file, useful mostly for debugging
Tune-77431-get.log 1396 Log file, useful mostly for debugging
Tune-77433-get.log 3880 Log file, useful mostly for debugging
Tune-77439-get.log 1304 Log file, useful mostly for debugging
Tune-77441-get.log 4751 Log file, useful mostly for debugging
Tune-77444-get.log 4775 Log file, useful mostly for debugging
Tune-77447-get.log 4009 Log file, useful mostly for debugging
Tune-77452-get.log 5646 Log file, useful mostly for debugging
Tune-77454-get.log 3206 Log file, useful mostly for debugging
Tune-77459-get.log 1352 Log file, useful mostly for debugging
Tune-7746-Round_Band_Book_of_Playford.abc 163 ABC music file with the extracted tune(s)
Tune-7746-Round_Band_Book_of_Playford.pdf 2217 Portable Data Format
Tune-7746-Round_Band_Book_of_Playford.ps 6 PostScript
Tune-7746-Round_Band_Book_of_Playford.txt 163 Plain-text file with the extracted tune(s)
Tune-7746-get.log 8110 Log file, useful mostly for debugging
Tune-77462-get.log 3943 Log file, useful mostly for debugging
Tune-77463-get.log 7009 Log file, useful mostly for debugging
Tune-77466-get.log 9000 Log file, useful mostly for debugging
Tune-7747-2277_Light_and_Airy-001.svg 14764 Scalable Vector Graphics format
Tune-7747-2277_Light_and_Airy.abc 423 ABC music file with the extracted tune(s)
Tune-7747-2277_Light_and_Airy.txt 423 Plain-text file with the extracted tune(s)
Tune-7747-get.log 4256 Log file, useful mostly for debugging
Tune-77471-get.log 1304 Log file, useful mostly for debugging
Tune-77473-get.log 4619 Log file, useful mostly for debugging
Tune-77474-get.log 5099 Log file, useful mostly for debugging
Tune-77475-get.log 1352 Log file, useful mostly for debugging
Tune-77476-get.log 1415 Log file, useful mostly for debugging
Tune-77479-get.log 3424 Log file, useful mostly for debugging
Tune-7748-get.log 1385 Log file, useful mostly for debugging
Tune-77481-Abergenny.abc 2643 ABC music file with the extracted tune(s)
Tune-77481-Abergenny.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-77481-Abergenny.ps 34410 PostScript
Tune-77481-Abergenny.txt 2643 Plain-text file with the extracted tune(s)
Tune-77481-get.log 5194 Log file, useful mostly for debugging
Tune-77488-get.log 3500 Log file, useful mostly for debugging
Tune-77489-get.log 4738 Log file, useful mostly for debugging
Tune-7749-get.log 4520 Log file, useful mostly for debugging
Tune-77499-get.log 1356 Log file, useful mostly for debugging
These files should be available for 24 hours.