Compose a musical piece based on the provided chord pattern.
'Em', 'D', 'Em', 'D', 'Em', 'Em', 'D', 'Em', 'G', 'A', 'B7', 'Em', 'B7', 'Em'  
X:1
L:1/8
M:4/4
K:Edor
|: B^d |"Em" e2 e2 E3 F | GFGA B^ABc |"D" d2 d2 D3 E | FAdB AFE^D |"Em" E2 e2 E3 F | G3 A B^ABc | 
"D" dcBA BAGF |"Em" G2 E2 E2 :: (3FGA |"Em" B2 e2 e3 d | (3Bcd ef gfed |"D" A d3 d2 B2 | 
 ABde fedB |"Em" e2 B2"G" g2 B2 |"A" a2 B2"B7" b3 a |"Em" gfed"B7" B^AB^d |"Em" e4 e2 :|  