Create musical pieces following the given structure and incorporating the suggested musical concept.
X:1
L:1/8
M:6/8
K:E
['EGB EGB', 'gbg efg b2 a'  
X:1
L:1/8
M:6/8
K:E
 EGB EGB | EGB c2 B | EBG EBG | =DFA B2 A | EGB EGB | EGB c2 a | g2 f Bcd | e3 e2 :: a | gbg efg | 
 b2 a c3 | f2 g f2 e | dcB c2 B | gbg efg | b2 a c2 g | g2 f Bcd | e3 e2 :|  