Construct orchestral compositions utilizing the provided chord structure.
'G', 'Em', 'D7', 'G', 'Em', 'D7', 'G', 'Em', 'D', 'Em', 'D7', 'G'  
X:1
L:1/8
M:4/4
K:G
 (3DEF |"G" G2{A} GF GABc | dBge dBAc |"Em" BEED EFGA | BGAF"D7" GFED |"G" G2 GF GABc | dBge dBAc | 
"Em" BEED EFGA |"D7" BGAF"G" G2 :: B2 |"Em" Beed e3 f | geaf gfed |"D" Bdde d3 e | fdaf gefd | 
"Em" Beed e3 f | geaf gfed | BEED EFGA |"D7" BGAF"G" G2 :|  