He composed the piece in 1935 and recorded it with his orchestra during the same year. Lyrics were written by Manny Kurtz; Ellington's manager Irving Mills gave himself a percentage of the publishing,  so the song was credited to all three. In a Sentimental Mood Lyrics: In a sentimental mood / I can see the stars come through my room / While your loving attitude / Is like a flame that lights the gloom / On the wings of every kiss ... The bouncy, winsome treatments of "S'Wonderful" and "Some Day My Prince Will Come" are delightful standouts; curiously, a similar treatment of "Sentimental Mood" seems a little stretched.
In a sentimental mood. I can see the stars come through my room.