### Clue: Mowers in song managing flock (3,3,3,3,3)
### Answer: ONE MAN AND HIS DOG 
 ### Explanation: Definition: Mowers in song managing flock
 Cryptic defn:  Reference to the song "Ten Men Went to Mow", whose first verse contains the line "one man and his dog went to mow a meadow."   The answer is also the title of the TV series about sheepdog trials, highlighting the skill of one man and his dog managing a flock.