pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8761-Catharsis_use_C_whistle_1_note_high_3.ps) >>/Users/jc/w/tmp/Tune-8761-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Scotland/reel/Catharsis_use_C_whistle_1_note_high_3.abc

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_87616.log 70124 Log file, useful mostly for debugging
Coll_87617.log 66074 Log file, useful mostly for debugging
Coll_87618.log 254919 Log file, useful mostly for debugging
Tune-8761-Catharsis_use_C_whistle_1_note_high_3.abc 280 ABC music file with the extracted tune(s)
Tune-8761-Catharsis_use_C_whistle_1_note_high_3.ps 36163 PostScript
Tune-8761-Catharsis_use_C_whistle_1_note_high_3.txt 280 Plain-text file with the extracted tune(s)
Tune-8761-get.log 4946 Log file, useful mostly for debugging
Tune-87615-get.log 6279 Log file, useful mostly for debugging
These files should be available for 24 hours.