Craft a musical piece in accordance with the designated structure and theme.
X:1
L:1/8
M:9/8
K:A
['eaa ef=g', 'e2 e Bcd', 'Bcd e2 d Bcd cBA e2 e'  
X:1
L:1/8
M:9/8
K:A
|: eaa ef=g fed | eaa ef=g f2 d | eaa ef=g fed | =gfg ecA Bcd :: e2 e Bcd cBA | e2 e Bcd c2 A | 
 e2 e Bcd cBA | agf ecA Bcd || e2 d Bcd cBA | e2 e Bcd c2 A | efg agf edc | fef B2 c d2 B |]  