Craft a musical composition with the supplied motif and conforming to the necessary format.
X:1
L:1/8
M:2/4
K:C
[".g2 .^f2 .g2 .c'2", 'ef ga g^f g2 ba'  
X:1
L:1/8
M:2/4
K:C
"C" .g2 .^f2 | .g2 .c'2 |"G7" b2 ag | .f2 .d2 |"C" .g2 .^f2 | .g2 .c'2 |"G7" !>!b2 ab | 
"C" c'2 z2 ::"G7" d3 e | f3 g | b3 a |"C" g3 e |"Dm" d3 a |"G7" g3 f |"C" e3 d | c2 z2 :: 
"C" ef ga | g^f g2 |"G7" ba f2 |"C" ag e2 | ef ga | g^f g2 |"D7" ba ba |"G" g2 z2 ::"G7" .g2 .f2 | 
 d3 ^c/d/ |"C" .a2 .g2 | e3 ^d/e/ |"G7" .b2 .a2 | !>!g3 (f/e/) | !>!d3 e/d/ |"C" cc' !>!c'2 :|  