Compose a piece of music using the specified letter-based musical form and incorporating the assigned motif.
X:1
L:1/4
M:4/4
K:G
['B/c/ |{B} d', 'g f']  
X:1
L:1/4
M:4/4
K:G
 B/c/ |{B} d B/c/{B} d B/c/ |{B} d B G B/c/ |{B} d B/c/ d g | [Af]3 f/g/ |{g} a f/g/{g} a f/g/ | 
{g} a f d d/e/ | d c{Bc} B A |1 [G,G]3 :|2 G g f =f |: e2 ^c2 | G g f e | d2 B2 | G g f g | 
{g} [Aa]2{fg} f2 | d a ^g a |{a} b2 g2 | d g f =f | e2 ^c2 | G g f e | d2 B2 | G g{fg} f e | 
 d2 c2 | E2 F2 | G G/G/ G G |1 [Gg] g f =f :|2 g2 [FAdg]2 ||  