The term CHORUS LINE refers to a group of performers in a musical or theatrical production. The crossword solutions for this term are LAS (3 letters), ALTOS (5 letters), ALTO (4 letters), TENOR (5 letters), DANCERS (7 letters), and TRALALA (7 letters). LAS stands for 'Lead ALTO Singer', ALTOS is the plural form of ALTO which is a type of singing voice, TENOR is another type of singing voice, DANCERS are performers who dance, and TRALALA is a nonsense word used to represent singing.