Create music using the given musical theme and adhere to the outlined letter-based structure.
X:1
L:1/8
M:3/4
K:G
['[DF][FA] [FA][Ac]', '[DF][EG] [FA]4 [DG][FA] [DF][FA] [A,D][DF] [FA][Ad] [df][ce]', 'a2 [DB][DB]']  
X:1
L:1/8
M:3/4
K:G
 [B,D]2 | [B,D][DG] [DG][GB] [GB][Bd] | [Bd][Ac] [GB][Ac] [FA]2 | [DF][FA] [FA][Ac] [Ac][ce] | 
 [ce][Bd] [A^c][Bd] [GB]2 | [DB][Bd] [Bd][eg] [eg][df] | [CA][Ac] [Ac][ce] [ce][Ad] | 
 [DF][FA] [FA][Ac] [Ec][DB] | [B,G]4 ::[K:D] [DF][EG] | [FA]4 [DG][FA] | 
 [DF][FA] [A,D][DF] [FA][Ad] | [df][ce] [ce][Bd] [Bd][Ac] | [Ac][GB] [GB][FA] [FA][DF] | 
 [EA]4 [CA][EG] | [DF][B,G] [CE][EA] [Ac][ce] | [eg]2 [df][ce] [GB][Ec] | [Fd]4 ::[K:G] B2 | 
 [Dc][Dc] [Dc]2 a2 | [DB][DB] g2 | [Af][ce] [Ac][FA] [Ac]2 | [Ge][Bd] [GB][DG] [GB]2 | 
 [Dc][Dc] [Dc]2 a2 | [DB][DB] [DB]2 g2 | [Af][Ge] [Fd][DA] [Ec][DB] | [B,G]4 :|  