Listen to I Think He Knows [Originally Performed by Taylor Swift] (Instrumental Version) online. I Think He Knows [Originally Performed by Taylor Swift] (Instrumental Version) is an English language song and is sung by Maxi Leave. I Think He Knows [Originally Performed by Taylor Swift] (Instrumental Version), from the album Ts Lover, was released in the year 2019. The duration of the song is 2:51. Download English songs online from JioSaavn.