passion (song themed around the Passion of Christ)

(Internet slang) good song

up and down, left and right

requiem (music composed to honor a dead person)

(fandom slang) VOCALOID song

a bent or biased explanation or theory of something: a distortion, a twisted account of something

to explain or theorize about something in a bent or biased manner: to distort or twist a description of something

(Internet slang) depressing song

hit song

(grammar) declension