Listen to I Still Haven't Found What I'm Looking For - (Tribute to U2) online. I Still Haven't Found What I'm Looking For - (Tribute to U2) is an English language song and is sung by Studio Union. I Still Haven't Found What I'm Looking For - (Tribute to U2), from the album A Tribute To U2, was released in the year 2009. The duration of the song is 4:18. Download English songs online from JioSaavn.