Develop a musical composition centered around the provided motif while maintaining the appropriate form.
X:1
L:1/8
M:4/4
K:A
['=g2 dB AAA', 'ef =g2'  
X:1
L:1/8
M:4/4
K:A
 a | A<AeA cAAB | =g2 ed B=GGa |1 AAeA cAAB | =g2 dB AAA :|2 A<AeA c2 Ae | =g2 dB AAA || e | 
 A<AeA a2 ef | =g2 ed B=GAB |1 A<AeA a2 ef | =g2 dB AAA :|2 A<AeA c2 Ae | =g2 dB AAA |]  