0
Tori Kelly
American singer
1
David Gray
British singer-songwriter
2
Regina Spektor
Russian-born American singer-songwriter and pianist
3
Norah Jones
American singer, songwriter and pianist
4
Sarah McLachlan
Canadian musician, singer, and songwriter
5
Amanda Palmer
American punk-cabaret songwriter, musician, and performance artist
6
Brandi Carlile
American alternative country and folk rock singer-songwriter
7
Clannad
Irish band
8
Insane Clown Posse
American hip-hop duo from Michigan
9
Pink
American singer and songwriter
10
Joni Mitchell
Canadian musician
11
Florence Welch
English musician, singer and songwriter
12
Allison Crowe
Canadian singer, songwriter and musician
13
Billy Joel
American singer-songwriter and pianist
14
Laura Pausini
Italian singer
15
Carly Simon
American singer-songwriter, musician and author
16
Alanis Morissette
Canadian-American singer-songwriter
17
Annie Lennox
Scottish singer and songwriter
18
Shania Twain
Canadian singer
19
Lara Fabian
Belgo-Canadian recording artist; singer
20
Mary Lambert
American singer-songwriter and poet
21
Florence + the Machine
British indie rock band
22
Joi Cardwell
American musician
23
Sheryl Crow
American musician and actress
24
Fefe Dobson
Canadian singer-songwriter
25
Katy Perry
American singer
26
Enya
Irish singer, songwriter, and musician
27
Rufus Wainwright
American-Canadian singer-songwriter and composer
28
Christine McVie
British rock singer, songwriter
29
Lady Gaga
American singer, songwriter, actress, and activist
30
Colbie Caillat
American singer-songwriter and guitarist
31
JoJo
American actor-singer
32
Alicia Keys
American singer, musician, composer and actress
33
Stacie Orrico
American singer
34
Carrie Underwood
American country music singer
35
Kelly Clarkson
American recording artist; singer-songwriter, actress, and television personality
36
Fergie
American singer
37
Fiona Apple
American singer-songwriter and musician
38
Kate Bush
English musician
39
KT Tunstall
Scottish singer-songwriter and guitarist
