• 

  novy

  • Bass
  • Contrabass
• 

  Hirotaka

  • Cello
• 

  Kana Higashiyama

  • Trumpet
  • How to read music
• 

  Ayu

  • Piano
• 

  Canon

  • Piano
  • Keyboard
  • Sing and play piano
  • Keyboard harmonica
  • Solfeggio
  • Musical grammar
  • Keyboard harmonica
  • Recorder
  • Pipe-organ
  • Electone (Yamaha)
• 

  Wakame

  • Violin
• 

  Masahiko "tabby" Nakano

  • Sing and play guitar
  • Bass
  • Drum set
  • Soprano ukulele
• 

  haze

  • Sing and play guitar
  • Electric guitar
  • Acoustic guitar
  • Composition (pops)
  • Music theory (jazz and popular)
• 

  Mugi Notomi

  • Saxophone
• 

  SACHIKO

  • Sing and play piano
  • Piano
  • Irish harp
• 

  mone

  • Piano
• 

  Maachi

  • Sing and play piano
  • Voice (classical)
  • Solfeggio
  • Musical grammar
  • Taishokoto