Listen to Be Kind (As originally performed by Marshmello &Hasley) online. Be Kind (As originally performed by Marshmello &Hasley) is an English language song and is sung by BT Band. Be Kind (As originally performed by Marshmello &Hasley), from the album radio hits vol 29 - KARAOKE (Basi musicali), was released in the year 2020. The duration of the song is 3:00. Download English songs online from JioSaavn.