### Clue: High-level clashes avoided where song does not make chart (3-6)
### Answer: AIR-MISSES 
 ### Explanation: Definition: High-level clashes avoided
  AIR(song) MISSES(descriptive of a song that does not enter,make the popularity charts, or it's a hit, according to the jury –  )
Defn:  When aircraft nearly collide – anything closer than a quarter-mile apart is a near-miss.