Music, when soft voices die, 
Vibrates in the memory -  
Odours, when sweet violets sicken, 
Live within the sense they quicken. 
 
Rose leaves, when the rose is dead, 
Are heaped for the beloved's bed; 
And so thy thoughts, when thou art gone, 
Love itself shall slumber on.
Percy Bysshe Shelley
http://www.poemhunter.com/poem/music-when-soft-voices-die-2/