"When You Say Nothing At All" is a 1990's song made famous by Boyzone singer Ronan Keating. Playing this song on the piano requires three chords: D, A, and G. Each chord is played in its major form. The chord pattern for the entire song is D, A, G, A. This pattern is repeated to form the introduction, chorus and verse. 

Ronan Keating recorded "When You Say Nothing At All" for the movie soundtrack Notting Hill, starring Julia Roberts and Hugh Grant.http://www.billboard.com/artist/ronan-keating/264208#/artist/ronan-keating/discography/songs/264208?sort=date&page=4 http://www.imdb.com/title/tt0125439/ The song was written by P. Overstreet and D. Schlitz.http://www.billboard.com/artist/ronan-keating/264208#/song/ronan-keating/when-you-say-nothing-at-all-from-nothing/12977263  The song had previously been recorded by country singer Alison Krauss and Union Station in 1995.http://www.billboard.com/artist/alison-krauss/chart-history/1502#/artist/alison-krauss/chart-history/1502 

To play "When You Say Nothing At All," you will need the following three chords: D, A, and G.

D: Form the D chord by playing the notes D, F# and A using your right hand. 

A: Create the A chord by playing the notes C#, E, and A using the thumb, middle finger and pinky of your right hand. For this chord, the C# and E are played below the A.

G: Play the notes B, D, and G using the thumb, middle finger and pinky of your right hand. 

Play the accompanying note for each chord in the bass. To discover what that note is, simply play the named note in the chord. For example, for the A chord, play the A that is an octave lower in the bass.http://www.youtube.com/watch?v=sRnjmFwgyQ4&feature=player_embedded 

Practice the chord progression for the song. The is the same for the introduction, verses and chorus with only one exception.

The pattern for the song, starting with the intro, is: D, A, G, A. Pulse each chord twice before moving to the next chord. 

The pattern starting with the lyrics "Try as I may" is: G, A, D, A, G, A. Play each chord once before moving on to the next chord. Once you have played this exception, return to your standard patter.

When you reach the end of the chorus, pause on the G chord and play the rest of the chorus at a slower tempo. Return to the regular tempo for the verses.http://www.youtube.com/watch?v=sRnjmFwgyQ4&feature=player_embedded  

For the introduction, play the chord pattern once without singing. Come in with lyrics right on the downbeat with the D chord and continue singing as you complete the progression. Pay close attention to how the notes correspond with the lyrics.http://www.youtube.com/watch?v=sRnjmFwgyQ4&feature=player_embedded