Listen to I'm Gonna Sit Right Down and Write Myself a Letter online. I'm Gonna Sit Right Down and Write Myself a Letter is an English language song and is sung by Bing Crosby. I'm Gonna Sit Right Down and Write Myself a Letter, from the album Four of a Kind - 200 Classic Songs (From Nat King Cole, Bing Crosby, Ella Fitzgerald and Louis Armstrong), was released in the year 2012. The duration of the song is 3:01. Download English songs online from JioSaavn.