Listen to I Just Can't Help Believin' (Instrumental) online. I Just Can't Help Believin' (Instrumental) is an English language song and is sung by The Professionals. I Just Can't Help Believin' (Instrumental), from the album Backing Track Database - The Professionals Perform the Hits of Elvis Presley (Instrumental), was released in the year 2014. The duration of the song is 4:35. Download English songs online from JioSaavn.