Design a music piece by incorporating the given alphabetic pattern and motif.
X:1
L:1/8
M:4/4
K:Eb
['[GB]2 [GB]2 [^F=A][GB] [_Ac]2 [EG][GB] [FA] [DF]3-', '[GB] [GB]2 [^F=A][GB] [_Ac][GB][F=A][GB] [EG]6']  
X:1
L:1/8
M:4/4
K:Eb
 [GB]2 | [GB]2 [^F=A][GB] [_Ac]2 [EG][GB] | [FA] [DF]3- [DF]2 [DF][EG] | [FA]3 [GB] [Ad]3 [Ac] | 
 ([GB]4 [EG]3) [GB] | [Ge]2 [Fd][Ge] [Af]2 [Ge][GB] | [Bd] [Ac]3- [Ac]2 [EA][Ec] | 
 [EB]2- [EB][DF] [DA]3 [DF] | [B,E]6 z ||"^Refrain" [GB] | [GB]2 [^F=A][GB] [_Ac][GB][F=A][GB] | 
 [EG]6 z [GB] | [GB]2 [^F=A][GB] [_Ac][GB][F=A][GB] | [EG]6 [GB][Ge] | 
 [Ae][Ad][Ad][DF] [FA]2 [FA][Ac] | [Ac][GB][GB][B,E] [EG]2 [_DG][DG] | [CG]2 [CF]2 [B,E]2 [B,D]2 | 
 [B,E]6 |]  