音楽 ・Airborne by Quincas Moreira, Youtube Audio Library ・Bright Future - Corporate Music by Keys of Moon Music https://youtu.be/5Ji6sCHheT4 created under Creative Commons License ・Ultra by Savfk https://youtu.be/8A4Jak73Lao Licensed under Creative Commons BY Attribution 4.0 License ・Music Fractions by Alexander Nakarada (www.serpentsoundstudios.com) https://www.youtube.com/watch?v=X5ohzVTYvzs Licensed under Creative Commons BY Attribution 4.0 License