Develop a musical piece that combines the given theme and letter-structured outline.
X:1
L:1/8
Q:1/8=180
M:4/4
K:Amin
['eA A2', 'ea a2 b2 ag']  
X:1
L:1/8
Q:1/8=180
M:4/4
K:Amin
 eA A2 eg^fd | eA A2 edBd | eA A2 eg^fa | gedB GABd | eA A2 eg^fg | eA A2 edBd | eA A2 eg ^f2 | 
 gedB GABd || ea a2 b2 ag | eaa^f ge d2 | ea a2 b2 ag | egdB GABd | ea a2 b2 ag | eaa^f g3 a | 
 b2 bg abag | eaag ed (3Bcd ||  