Listen to How Long - Tribute to Charlie Puth (Instrumental Version) online. How Long - Tribute to Charlie Puth (Instrumental Version) is an English language song and is sung by 2017 Billboard Masters. How Long - Tribute to Charlie Puth (Instrumental Version), from the album How Long - Tribute to Charlie Puth, was released in the year 2017. The duration of the song is 3:18. Download English songs online from JioSaavn.