Listen to Tengo una Vaca Lechera online. Tengo una Vaca Lechera is a Spanish language song and is sung by Los Peque Músicos. Tengo una Vaca Lechera, from the album Super Éxitos de la Música Infantil: Baila y Canta Juegos y Canciones Infantiles para Niños, was released in the year 2015. The duration of the song is 2:18. Download Spanish songs online from JioSaavn.