S: (n) refrain, chorus (the part of a song where a soloist is joined by a group of singers)
S: (n) lyric, words, language (the text of a popular song or musical-comedy number) "his compositions always started with the lyrics"; "he wrote both words and music"; "the song uses colloquial language"
S: (adj) vocal (relating to or designed for or using the singing voice) "vocal technique"; "the vocal repertoire"; "organized a vocal group to sing his compositions"
S: (adj) vocal (having or using the power to produce speech or sound) "vocal organs"; "all vocal beings hymned their praise"
S: (adj) outspoken, vocal (given to expressing yourself freely or insistently) "outspoken in their opposition to segregation"; "a vocal assembly"
S: (adj) vocal (full of the sound of voices) "a playground vocal with the shouts and laughter of children"