pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6403-20413_Welch_Hornpipe.ps) >>/Users/jc/w/tmp/Tune-6403-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EliasHowe/MusiciansCompanionP2/20413_Welch_Hornpipe.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_64032.log 119457 Log file, useful mostly for debugging
Find_64031.log 1534 Log file, useful mostly for debugging
Tune-6403-20413_Welch_Hornpipe.abc 748 ABC music file with the extracted tune(s)
Tune-6403-20413_Welch_Hornpipe.ps 35964 PostScript
Tune-6403-20413_Welch_Hornpipe.txt 748 Plain-text file with the extracted tune(s)
Tune-6403-get.log 4871 Log file, useful mostly for debugging
Tune-64030-get.log 3718 Log file, useful mostly for debugging
Tune-64033-get.log 1528 Log file, useful mostly for debugging
Tune-64036-get.log 3235 Log file, useful mostly for debugging
Tune-64039-get.log 1446 Log file, useful mostly for debugging
These files should be available for 24 hours.