Listen to I Know - 1 online. I Know - 1 is an English language song and is sung by The Spaniels. I Know - 1, from the album Save the last dance for me - 200 R&B Hits (The Greatest Rhythm & Blues Classics of the 50s & 60s), was released in the year 2017. The duration of the song is 2:15. Download English songs online from JioSaavn.