pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7156-training_abc_XX.ps) >>/Users/jc/w/tmp/Tune-7156-get.log 2>&1" returned status 256
http://www.inference.phy.cam.ac.uk/dasher/download/training/training_abc_XX.txt

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

[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Coll_7156.log 64184 Log file, useful mostly for debugging
Coll_71564.log 273729 Log file, useful mostly for debugging
Coll_71567.log 129718 Log file, useful mostly for debugging
Coll_71568.log 66074 Log file, useful mostly for debugging
Coll_71569.log 63914 Log file, useful mostly for debugging
Form_71561.log 769 Log file, useful mostly for debugging
Form_71568.log 811 Log file, useful mostly for debugging
Tune-7156-get.log 4501 Log file, useful mostly for debugging
Tune-7156-training_abc_XX.abc 220 ABC music file with the extracted tune(s)
Tune-7156-training_abc_XX.ps 34636 PostScript
Tune-7156-training_abc_XX.txt 220 Plain-text file with the extracted tune(s)
Tune-71560-get.log 1551 Log file, useful mostly for debugging
Tune-71562-get.log 1700 Log file, useful mostly for debugging
Tune-71567-SaintPatricksDay.abc 658 ABC music file with the extracted tune(s)
Tune-71567-SaintPatricksDay.ps 34495 PostScript
Tune-71567-SaintPatricksDay.txt 658 Plain-text file with the extracted tune(s)
Tune-71567-get.log 5134 Log file, useful mostly for debugging
These files should be available for 24 hours.