| 13 Dec 2012 | Patrick Moore | English astronomer and amateur musician Patrick Moore died in December 2012, aged eighty-nine |
| 6 Dec 2012 | Jonathan Harvey | English composer Jonathan Harvey died in December 2012, aged seventy-three |
| 6 Dec 2012 | Dave Brubeck | American composer and jazz pianist Dave Brubeck died in December 2012, aged ninety-one |
| 5 Dec 2012 | Schurmann Foundation | A foundation has been created to promote the music of composer Gerard Schurmann |
| 20 Nov 2012 | Philip Ledger | British organist, conductor and composer Philip Ledger died in November 2012, aged seventy-four |
| 16 Nov 2012 | George Hurst | British conductor George Hurst died in September 2012, aged eighty-six |
| 7 Nov 2012 | Elliott Carter | The American composer Elliott Carter died in November 2012, aged 103 |
| 2 Nov 2012 | Jacques Barzun | French-American historian and writer Jacques Barzun died in October 2012, aged 104 |
| 29 Oct 2012 | Hans Werner Henze | German composer Hans Werner Henze died in October 2012, aged eighty-six |
| 11 Oct 2012 | Edvard Mirzoyan | Armenian composer Edvard Mirzoyan died in October 2012, aged ninety-one |
| 5 Oct 2012 | Éric Gaudibert | Swiss composer Éric Gaudibert died in June 2012, aged seventy-five |
| 26 Sep 2012 | Grigori Frid | Russian composer Grigori Frid died in September 2012, aged ninety-seven |
| 21 Sep 2012 | William Duckworth | American composer and internet pioneer William Duckworth died in September 2012 |
| 25 Aug 2012 | Carlo Curley | American organist Carlo Curley died in August 2012 |
| 10 Aug 2012 | Ruggiero Ricci | American violinist Ruggiero Ricci died in August 2012, aged ninety-four |
