The most common and most likely answer to this crossword clue is the 8 plus 6 letter word NATIONAL ANTHEM
I've seen this crossword clue in The Guardian
N
A
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O
N
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L
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More clues leading to the result NATIONAL ANTHEM
- Race soldier to border? Not everyone stands for it
- No love, not a man to inhale fresh air of the country
- Lone hitman at an alternative rendition of a patriotic song
- Theatre worker on edge composing stirring song
- One’s often played at Wembley with people such as Shearer before the start of match
- Animal that none implicated in patriotic song
- Animal that none moved — source of pride to a people?
- Country music?
- Patriotic song that inspires uprising
- This should provoke a popular uprising!
Buddy explains!

The straight part
We know that "a patriotic song" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case a patriotic song = national anthem.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.