Rigel is an Virtual Alien that loves to sing. He sometimes killing times by making music with his Furry counterpart, Frigel.
Although, There is so many version of "Rigel". That's why he used variety instrument and themes in His songs. Rigel often does an "Heavy" music such as Rock or Dark Music. While Frigel do it in "Soft" way, such as "Moon River" or the "Extraterrestrial Tears" Album.