Develop musical pieces based on the specified chord pattern.
'D', 'Bm', 'D', 'Bm', 'Em', 'A7', 'D', 'G', 'D', 'Em', 'A7', 'D', 'Em', 'A7', 'D', 'Bm', 'Em', 'D'  
X:1
L:1/8
M:9/8
K:D
"D" F2 A AGA AGA | F2 A ABA"Bm" d2 f |"D" F2 A AGA AGA |"Bm" B2 B"Em" e2 d"A7" cBA :: 
"D" f2 a f2 a fed | f2 a f2 a"G" g2 e |"D" f2 a f2 a fed |"Em" g2 f e2 d"A7" cBA :: 
"D" f2 z a2 z d2 z |"Em" g2 f e2 d"A7" cBA |"D" f2 z e2 z d2 z |"Bm" B2 A"Em" G2 F"D" FED :|  