The most common and most likely answer to this crossword clue is the 4 letter word TUNE
T
U
N
E
More clues leading to the result TUNE
- Within planet, unearthly melody
- Head over to Spain by air
- See pitch isn’t flat before starting to play
- Cricket uneventful, partly resulting in adjustment to pitch
- Nature’s thrilled RA with this air
- Optimise the condition of air
- Air entering vent unexpectedly
- For this song might make fortune
- Get the pitch in good order
- In retirement, occasionally, spouse insults garage job
Buddy explains!

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.
What does TUNE mean?
TUNE noun- A melody.
- A song, or short musical composition.
- The act of tuning or maintenance.
- The state or condition of being correctly tuned.
- Temper; frame of mind.
- A sound; a note; a tone.
- Order; harmony; concord.
- To adjust (a musical instrument) so that it produces the correct pitches.
- To adjust or modify (esp. a mechanical or electrical device) so that it functions optimally.
- To adjust the frequency on a radio or TV set, so as to receive the desired channel.
- (e.g. of senses or faculties) To adapt to or direct towards a particular target.
- To make more precise, intense, or effective; to put into a proper state or disposition.
- To attune; to adapt in style of music; to make harmonious.
- To give a certain tone or character to.
- To sing with melody or harmony.
- To cheek; to be impudent towards.
- Used to show appreciation or approval of a song.