Guitar Tuner CEO Fredrik Kaupang

Fredrik Kaupang

Fredrik Kaupang is the third musketeer of the 123 clan and CEO of the ship. He hails from Oslo, Norway and graduated from Berklee College of Music. When Fredrik isn't making games and programming future incarnations of this tuner, you can find him shredding metal guitar riffs in his homeland of Norway. The 123 legacy of greatness shifts into high gear!

Guitar Tuner Navigation

  • Open G Tuning
    open g tuning
  • DADGAD Tuning
    dadgad tuning
  • Standard Tuning
    standard tuning
  • Drop D Tuning
    drop d tuning
  • Open D Tuning
    open d tuning
  • Low C Tuning
    low c tuning
  • Open C Tuning
    open c tuning
  • Drop B Tuning
    drop b tuning
  • Open E Tuning
  • Guitar Collection
    guitar collection
  • Tuner Developer John
    guitar tuner developer
  • CEO Fredrik Kaupang
    guitar programmer CEO
  • Musician Ben
    guitar tuner musician
  • Bass Tuner
    bass tuner
  • Guitar Tuner
    guitar tuner