Listen to Who Let the Dogs Out? (From "Men in Black 2") online. Who Let the Dogs Out? (From "Men in Black 2") is an Unknown language song and is sung by Soundtrack Wonder Band. Who Let the Dogs Out? (From "Men in Black 2"), from the album Songs from Science Fiction Movies, was released in the year 2015. The duration of the song is 3:26. Download Unknown songs online from JioSaavn.