Compose a musical piece using the designated musical pattern's alphabetic representation and the assigned melodic theme.
X:1
L:1/8
M:3/4
K:D
['AG F3 EFA B3 GBd c3 Ace', '[Af]3 [Af][Af][Ag] [Af]2 [Fd]2']  
X:1
L:1/8
M:3/4
K:D
 AG | F3 EFA | B3 GBd | c3 Ace | d3 Adf | e3 cBA | [Fd]2 [Fd]2 [df]2 | [ce]2 [ce]2 (3[Be][ce][Be] | 
 [Ae]4 AG | F3 EFA | B3 GBd | c3 Ace | d3 Adf | e3 cBA | [Fd]2 [Fd]2 [A,F]2 | 
 [A,F]2 [A,F]2 [G,E]2 | [Fd]4 :: Ad | [Af]3 [Af][Af][Ag] | [Af]2 [Fd]2 [FA]2 | 
 [B,G]2 [B,G]2 [GB]2 | [FA]3 FAd | [Af]3 [Af][Af][Ag] | [Af]2 [Fd]2 [Fd]2 | 
 [ce]2 [ce]2 (3[Be][ce][Be] | [Ae]4 Ad | [Af]3 [Af][Af][Ag] | [Af]2 [Fd]2 [FA]2 | 
 [B,G]2 [B,G]2 [GB]2 | [FA]3 FAd | [Af]3 [Af][Af][Ag] | [Af]2 [Fd]2 [Fd]2 | [A,F]2 [A,F]2 [G,E]2 | 
 [Fd]4 :|  