The A-Z of Musicians

Hellooo Shimmers,
How is everyone, I love music and thought it would be a good challenge to see if I could list musicians A-Z...I nearly managed it.
A- Amy Winehouse
B- Beyoncé
C- Coldplay
D- David Guetta
E- Emeli Sandé
F- Flo Rida
G- Gotye
H- the Hoosiers
I- Bon Iver (surname is an I !)
J- Jessie J
K- Kings of Leon
L- Lawson
M- Michael Jackson
N- Nicking Minaj
O- Olly Murs
P- P!NK
Q- Queen
R- Rihanna
S- the Script
T- Taylor Swift
U- Usher
V- The Vaccines (The doesnt count!!)
W- Whitney Houston
X- Xfactor Winners
Y- Yeah You's
Z- Z....Yeah i dunno...Help?!
Can you think of a musician that starts with the letter Z or I?
Laura x