pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-167-20573_Jim_Brown.ps) >>/Users/jc/w/tmp/Tune-167-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EliasHowe/MusiciansCompanionP2/20573_Jim_Brown.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Coll_16704.log 291811 Log file, useful mostly for debugging
Coll_16712.log 13999 Log file, useful mostly for debugging
Coll_16715.log 286211 Log file, useful mostly for debugging
Coll_16722.log 135552 Log file, useful mostly for debugging
Coll_1676.log 237209 Log file, useful mostly for debugging
Coll_16780.log 142104 Log file, useful mostly for debugging
Find_16776.log 1478 Log file, useful mostly for debugging
Find_16781.log 1439 Log file, useful mostly for debugging
Find_16799.log 1639 Log file, useful mostly for debugging
Form_16736.log 1056 Log file, useful mostly for debugging
Form_16769.log 985 Log file, useful mostly for debugging
Form_16779.log 967 Log file, useful mostly for debugging
Tune-167-20573_Jim_Brown.abc 537 ABC music file with the extracted tune(s)
Tune-167-20573_Jim_Brown.ps 33493 PostScript
Tune-167-20573_Jim_Brown.txt 537 Plain-text file with the extracted tune(s)
Tune-167-get.log 4715 Log file, useful mostly for debugging
Tune-16703-get.log 2775 Log file, useful mostly for debugging
Tune-16708-get.log 1574 Log file, useful mostly for debugging
Tune-16717-get.log 1311 Log file, useful mostly for debugging
Tune-16737-get.log 1574 Log file, useful mostly for debugging
Tune-16741-get.log 1574 Log file, useful mostly for debugging
Tune-16745-get.log 5523 Log file, useful mostly for debugging
Tune-16749-get.log 1530 Log file, useful mostly for debugging
Tune-16754-get.log 1497 Log file, useful mostly for debugging
Tune-16758-get.log 2918 Log file, useful mostly for debugging
Tune-16762-get.log 1530 Log file, useful mostly for debugging
Tune-16766-get.log 1431 Log file, useful mostly for debugging
Tune-16770-get.log 1431 Log file, useful mostly for debugging
Tune-16774-get.log 1387 Log file, useful mostly for debugging
Tune-16785-get.log 1574 Log file, useful mostly for debugging
Tune-16789-get.log 1519 Log file, useful mostly for debugging
Tune-16793-get.log 1387 Log file, useful mostly for debugging
Tune-16797-get.log 1497 Log file, useful mostly for debugging
These files should be available for 24 hours.