midicmd="abc2midi /Users/jc/w/tmp/Tune-61444-Irish6.abc -v -o /Users/jc/w/tmp/Tune-61444-Irish6.midi >>/Users/jc/w/tmp/Tune-61444-get.log 2>&1" returned status 34304.

Error exit status 34304; here are some files to check:

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filesizedescription
Tune-61444-Irish6.abc 299 ABC music file with the extracted tune(s)
Tune-61444-Irish6.txt 299 Plain-text file with the extracted tune(s)
Tune-61444-get.log 3206 Log file, useful mostly for debugging
These files should be available for 24 hours.