Compose a musical piece using the designated musical pattern's alphabetic representation and the assigned melodic theme.
X:1
L:1/8
Q:1/2=60
M:2/2
K:Ddor
['F3 E D3 A', 'c2 A2 A2']  
X:1
L:1/8
Q:1/2=60
M:2/2
K:Ddor
 E | F3 E D3 A | (GA)(FG) E2 C2 | F3 E D3 A | (GF)(EF) D2 z E | F3 E D3 A | (GA)(FG) E2 (DC) | 
 F3 G A2 d2 | (AG)(FE) D3 || B | c2 A2 A2 (GF) | (EF)(GF) E2 (DC) | c2 A2 A2 (Bc) | (dc)(Ac) d3 e | 
 c2 A2 A2 (GF) | (EF)(GF) E2 (DC) | F3 G A2 d2 | (AG)(FE) D3 |]  