Listen to I Need to Know (Karaoke Version) [Originally Performed by Marc Anthony] online. I Need to Know (Karaoke Version) [Originally Performed by Marc Anthony] is an English language song and is sung by Party Peter. I Need to Know (Karaoke Version) [Originally Performed by Marc Anthony], from the album Karaoke Pop Giganten, Vol. 119, was released in the year 2017. The duration of the song is 3:14. Download English songs online from JioSaavn.