"Hi Ho Silver" is a number five hit in 1986 by Scottish singer/songwriter Jim Diamond. It is best known for being the theme song for Boon. The song was from Diamond's second solo studio album Desire for Freedom.Although many people believe that Diamond wrote the song especially for Boon, he actually wrote it in memory of his father who had died the previous year.Diamond was approached by Central Television in 1985 to write and record the theme song for a new television drama series.