WordNet sense 1 (music intended to be performed by one or more singers, usually with instrumental accompaniment):

vocal music

WordNet sense 2 (a short musical composition with words):

song

WordNet sense 3 (characterized by or producing sound of great volume or intensity):

loud

WordNet sense 4 (given to expressing yourself freely or insistently):

outspoken

WordNet sense 5 (able or tending to communicate):

communicative, communicatory