Listen to How Will I Know (Who You Are) - Sound-A-Like As Made Famous By: Jessica Folcker online. How Will I Know (Who You Are) - Sound-A-Like As Made Famous By: Jessica Folcker is an English language song and is sung by Studio Group. How Will I Know (Who You Are) - Sound-A-Like As Made Famous By: Jessica Folcker, from the album Greatest Pop Hits of the 90s: A Tribute, was released in the year 2012. The duration of the song is 3:30. Download English songs online from JioSaavn.