pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5920-21343_Irish_Sett_tune_3.ps) >>/Users/jc/w/tmp/Tune-5920-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EliasHowe/MusiciansCompanionP2/21343_Irish_Sett_tune_3.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_5920.log 336264 Log file, useful mostly for debugging
Coll_59201.log 521779 Log file, useful mostly for debugging
Coll_59206.log 263256 Log file, useful mostly for debugging
Coll_59209.log 413914 Log file, useful mostly for debugging
Find_59207.log 1471 Log file, useful mostly for debugging
Form_59203.log 832 Log file, useful mostly for debugging
Tune-5920-21343_Irish_Sett_tune_3.abc 979 ABC music file with the extracted tune(s)
Tune-5920-21343_Irish_Sett_tune_3.ps 34476 PostScript
Tune-5920-21343_Irish_Sett_tune_3.txt 979 Plain-text file with the extracted tune(s)
Tune-5920-get.log 4905 Log file, useful mostly for debugging
Tune-59203-get.log 5658 Log file, useful mostly for debugging
These files should be available for 24 hours.