Quadratic Quartet-二次方程組的四重奏

hard rock,pop rock,contemporary pop/rock,guitar,rock,blues rock,technical,energetic,melodic

Powerful Vocals, Ballad, Showtune, romantic duett, duett, male and female singer

Metal, Dubstep

Live Intense Cinematic Emotional Heartfelt Gospel Worship

Lyrical, cadenza, symphony orchestra, sadness to passion, E minor to B major to E minor, crescendo to decrecendo, sonic

(Intro guitar solo)，chinese Rock and roll pop

Song Arabic, Electric Angklung, Electric Violin, Electric Piano, Mellow, Sad Song, Slow Pop

Kawaii Future Bass, Up-tempo, Bright Synths, Melodic Bass, Joyful, Adventure, Happy

drum and bass

pop-rap intense electronic

orchestral, atmospheric, piano

acoustic sad pop

pop, rock, acoustic

Acapella vocals with random screams

comic voice, electro-swing-step, step step-step, swinging-goth-rave-step-step, kookie, very fast tempo

Piano intro leading into new country sultry female vocals

Gospel, Christian, Happy, Light EDM

Спокойный, грустный, рэп