Utilizing the provided musical theme and letter-based structure, compose a piece of music.
X:1
L:1/8
M:2/2
K:Ador
['eAAG ABcd e2 af gedB', 'abag eaaf']  
X:1
L:1/8
M:2/2
K:Ador
 eAAG ABcd | e2 af gedB |"^var." eA (3cBA eA (3cBA | BGGF GABd | eAAG ABcd | e2 af gedB | 
 c3 d eged | cABG A2 Bd :: eaag abag | eaaf gedg | egdg egdg | ea a2 gedg | eaag abag | eaaf gedB | 
 c3 d eged | cABG A2 Bd :|  