pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-499-Mick_Howards_Polka.ps) >>/Users/jc/w/tmp/Tune-499-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/CuzTeahan/SliabhLuachroOnParade/Mick_Howards_Polka.abc

Error exit status 256; here are some files to check:

[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_49911.log 723488 Log file, useful mostly for debugging
Coll_49932.log 142804 Log file, useful mostly for debugging
Coll_4995.log 629961 Log file, useful mostly for debugging
Coll_49982.log 309621 Log file, useful mostly for debugging
Coll_49993.log 395328 Log file, useful mostly for debugging
Find_49923.log 1471 Log file, useful mostly for debugging
Form_49949.log 975 Log file, useful mostly for debugging
Tune-499-Mick_Howards_Polka.abc 384 ABC music file with the extracted tune(s)
Tune-499-Mick_Howards_Polka.ps 33987 PostScript
Tune-499-Mick_Howards_Polka.txt 384 Plain-text file with the extracted tune(s)
Tune-499-get.log 4773 Log file, useful mostly for debugging
Tune-49902-get.log 1416 Log file, useful mostly for debugging
Tune-49904-get.log 3229 Log file, useful mostly for debugging
Tune-49904-proto.abc 572 ABC music file with the extracted tune(s)
Tune-49904-proto.txt 572 Plain-text file with the extracted tune(s)
Tune-49907-get.log 1419 Log file, useful mostly for debugging
Tune-4991-get.log 1378 Log file, useful mostly for debugging
Tune-49911-197_Auld_Lang_Syne-001.svg 24626 Scalable Vector Graphics format
Tune-49911-197_Auld_Lang_Syne.abc 1351 ABC music file with the extracted tune(s)
Tune-49911-197_Auld_Lang_Syne.txt 1351 Plain-text file with the extracted tune(s)
Tune-49911-get.log 4373 Log file, useful mostly for debugging
Tune-49913-Knotted_Piece_of_String.abc 1220 ABC music file with the extracted tune(s)
Tune-49913-Knotted_Piece_of_String.pdf 26071 Portable Data Format
Tune-49913-Knotted_Piece_of_String.ps 37834 PostScript
Tune-49913-Knotted_Piece_of_String.txt 1220 Plain-text file with the extracted tune(s)
Tune-49913-get.log 5817 Log file, useful mostly for debugging
Tune-49919-Aird_vol4_abc2.abc 74771 ABC music file with the extracted tune(s)
Tune-49919-Aird_vol4_abc2.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-49919-Aird_vol4_abc2.ps 1031184 PostScript
Tune-49919-Aird_vol4_abc2.txt 74771 Plain-text file with the extracted tune(s)
Tune-49919-get.log 115692 Log file, useful mostly for debugging
Tune-49920-11062_Rising_of_the_Lark.abc 610 ABC music file with the extracted tune(s)
Tune-49920-11062_Rising_of_the_Lark.txt 610 Plain-text file with the extracted tune(s)
Tune-49920-get.log 3362 Log file, useful mostly for debugging
Tune-49928-get.log 1429 Log file, useful mostly for debugging
Tune-49929-get.log 3884 Log file, useful mostly for debugging
Tune-49929-newpage.abc 33 ABC music file with the extracted tune(s)
Tune-49929-newpage.ps 6 PostScript
Tune-49929-newpage.txt 33 Plain-text file with the extracted tune(s)
Tune-49934-TempleThe_PLFD1701_473.abc 742 ABC music file with the extracted tune(s)
Tune-49934-TempleThe_PLFD1701_473.pdf 23510 Portable Data Format
Tune-49934-TempleThe_PLFD1701_473.ps 35255 PostScript
Tune-49934-TempleThe_PLFD1701_473.txt 742 Plain-text file with the extracted tune(s)
Tune-49934-get.log 6306 Log file, useful mostly for debugging
Tune-49945-get.log 1411 Log file, useful mostly for debugging
Tune-49946-30643_Huffs_Hornpipe-001.svg 21728 Scalable Vector Graphics format
Tune-49946-30643_Huffs_Hornpipe.abc 862 ABC music file with the extracted tune(s)
Tune-49946-30643_Huffs_Hornpipe.txt 862 Plain-text file with the extracted tune(s)
Tune-49946-get.log 4461 Log file, useful mostly for debugging
Tune-49955-AngelsUnaware.abc 1723 ABC music file with the extracted tune(s)
Tune-49955-AngelsUnaware.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-49955-AngelsUnaware.ps 45131 PostScript
Tune-49955-AngelsUnaware.txt 1723 Plain-text file with the extracted tune(s)
Tune-49955-get.log 6892 Log file, useful mostly for debugging
Tune-49960-get.log 1469 Log file, useful mostly for debugging
Tune-49963-all.abc 179 ABC music file with the extracted tune(s)
Tune-49963-all.ps 6 PostScript
Tune-49963-all.txt 179 Plain-text file with the extracted tune(s)
Tune-49963-get.log 4155 Log file, useful mostly for debugging
Tune-49967-011_Colonel_Tarletons_Quick_March-001.svg 27319 Scalable Vector Graphics format
Tune-49967-011_Colonel_Tarletons_Quick_March.abc 752 ABC music file with the extracted tune(s)
Tune-49967-011_Colonel_Tarletons_Quick_March.txt 752 Plain-text file with the extracted tune(s)
Tune-49967-get.log 4733 Log file, useful mostly for debugging
Tune-49968-get.log 1414 Log file, useful mostly for debugging
Tune-49973-get.log 1362 Log file, useful mostly for debugging
Tune-49978-get.log 1503 Log file, useful mostly for debugging
These files should be available for 24 hours.