Craft a piece of music that integrates both the suggested theme and letter-based structure.
X:1
L:1/8
M:4/4
K:Ador
['A2 Bd', 'A z']  
X:1
L:1/8
M:4/4
K:Ador
 A2 BA GAAB | A2 Bd eddB | G2 BA BGGB | c2 BA BGGB | A3 B GABG | A2 Bd edda | gedB GABd | 
 e2 dB eA A2 :| A z a2 A z g2 | eage ageg | G2 BA BGGB | c2 BA BGGB | A z a2 A z g2 | eage agea | 
 gedB GABd | e2 dB eA A2 | A z a2 A z g2 | eage ageg | G2 BA BGGB | c2 BA BGGB | A3 A GABG | 
 A2 Bd edda | gedB GABd | e2 dB eA A2 ||  