Table:
text: Christmas music
Most played songs
Most played songs
Rank_ Song_title Composers Performers Year_
1  All I Want for Christmas Is You  Mariah Carey and Walter Afanasieff Mariah Carey 1994
2  Last Christmas  George Michael Wham! 1984
3  Fairytale of New York  Jem Finer and Shane MacGowan The Pogues with Kirsty MacColl 1987
4  Do They Know It’s Christmas?  Bob Geldof and Midge Ure Band Aid 1984
5  Merry Xmas Everybody  Noddy Holder and Jim Lea Slade 1973
6  White Christmas  Irving Berlin Louis Armstrong 1940
7  Driving Home for Christmas  Chris Rea Chris Rea 1988
8  Merry Christmas Everyone  Bob Heatlie Shakin` Stevens 1985

Question: Who sang the song composed by Mariah Carey and Walter Afanasieff amidst the Christmas music?

Question: How many years did Louis Armstrong perform during Christmas music?