Listen to Waving Through a Window (From "Dear Even Hansen") [Piano Accompaniment] [Karaoke Backing Track in A] online. Waving Through a Window (From "Dear Even Hansen") [Piano Accompaniment] [Karaoke Backing Track in A] is an English language song and is sung by Pianotrax. Waving Through a Window (From "Dear Even Hansen") [Piano Accompaniment] [Karaoke Backing Track in A], from the album Musical Theatre, Vol. 1, was released in the year 2017. The duration of the song is 4:02. Download English songs online from JioSaavn.