xylophone its use in folk music is exceedingly rare, except as a beginner's learning aid, but it did provide an entry for the Xs. It's a series of tuned metal bars mounted in a frame - variants are the marimba and the vibraphone.
Introduction -
A -
B -
C -
D -
E -
F -
G -
H -
I -
J -
K -
L -
M -
N
O -
P -
Q -
R -
S -
T -
U -
V -
W -
X -
Y -
Z -
Appendix