Stellar - Vibrato (Special Stage)br Debuted in 2011, the 4-member group, Stellar is ready to heat things up with their 2nd mini-album "Sting."br As the title song of Stellar's 6th single album, "Vibrato" is a nu-wave disco song featuring a funky guitar riff and refined synth sounds.br The lyrics are about a cool, attractive girl, whose heart vibrates like crazy once she falls in love.