It is in 3/4 time and in the key of D major.
But the actual key of the song is D major.
On the album and 2006 performances, it was played in D major.
It was performed on D major with 103 beats per minute.
A slow, romantic piece, it is played in the key of D major.
Like the first movement, the duet is in D major and common time.
The polyphonic movement is in D major and 3/8 time.
The piece is in common time and in the key of D major.
The song is written in a key of D major.
The second section is more animated with a beautiful 2nd part in D major.