Create musical pieces following the given structure and incorporating the suggested musical concept.
X:1
L:1/8
Q:1/4=100
M:4/4
K:Eb
['E2 e2 c>B', 'E>E G>E B>G Gc'  
X:1
L:1/8
Q:1/4=100
M:4/4
K:Eb
 E2 e2 c>B ce | G<G G>F (G3 F) | E2 e2 c>B c<e | F>F F>E (F3 G) | E2 eB c>B c<e | G<G G>F G3 B | 
 c>d c>B c>c Bc/d/ | e>c B<G F2 z2 || E2 G>E B<G Gc | G>G G>F G3 e | E>E G>E B>G Gc | 
 F<F F>E F3 G | E>E G>E B>G Gc | G<G G>F G3 B | c>d c>B c<c Bc/d/ | e<c B>G F2 z2 |]  