Listen to Una Vaina Loca (Boy Wonder & Chosen Few Urbano) online. Una Vaina Loca (Boy Wonder & Chosen Few Urbano) is a Spanish language song and is sung by Fuego, Boy Wonder and Chosen Few Urbano. Una Vaina Loca (Boy Wonder & Chosen Few Urbano), from the album Gusto Latino 2013 (Tropical Top Hits - Reggaeton Classics), was released in the year 2012. The duration of the song is 2:43. Download Spanish songs online from JioSaavn.