pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9792-Just_Because_1.ps) >>/Users/jc/w/tmp/Tune-9792-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Square/Just_Because_1.abc

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

[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_97929.log 358795 Log file, useful mostly for debugging
Tune-9792-Just_Because_1.abc 532 ABC music file with the extracted tune(s)
Tune-9792-Just_Because_1.ps 34630 PostScript
Tune-9792-Just_Because_1.txt 532 Plain-text file with the extracted tune(s)
Tune-9792-get.log 4488 Log file, useful mostly for debugging
Tune-97923-get.log 5339 Log file, useful mostly for debugging
Tune-97924-get.log 5525 Log file, useful mostly for debugging
Tune-97925-get.log 8402 Log file, useful mostly for debugging
Tune-97927-Patrick_Joseph_Kelly-001.svg 77116 Scalable Vector Graphics format
Tune-97927-Patrick_Joseph_Kelly-002.svg 80891 Scalable Vector Graphics format
Tune-97927-Patrick_Joseph_Kelly-003.svg 75740 Scalable Vector Graphics format
Tune-97927-Patrick_Joseph_Kelly-004.svg 58404 Scalable Vector Graphics format
Tune-97927-Patrick_Joseph_Kelly.abc 7064 ABC music file with the extracted tune(s)
Tune-97927-Patrick_Joseph_Kelly.txt 7064 Plain-text file with the extracted tune(s)
Tune-97927-get.log 24852 Log file, useful mostly for debugging
Tune-97928-get.log 3492 Log file, useful mostly for debugging
These files should be available for 24 hours.