Construct a melodic piece using the alphabet-based musical sequence and the given motif.
X:1
L:1/8
M:3/4
K:G
['', '[dB]6 [ce]2 [eg]2 [ce]2 [Bd]4 [ec][Bd] [GB,]6', '[GE]6 [DF]4 [CE]2']  
X:1
L:1/8
M:3/4
K:G
 DE FG AB |: [dB]6 | [ce]2 [eg]2 [ce]2 | [Bd]4 [ec][Bd] | [GB,]6 | [GE]6 | [DF]4 [CE]2 | [DB,]6 | 
 [DB,][CE] [DF][EG] [FA][GB] | [dB]6 | [ce]2 [eg]2 [ce]2 | [Bd]4 [ec][Bd] | [GB,]6 | [FA]6 | 
 [A^c]2 [GB]2 [FA]2 | [Bd]3 [e^c] [dB][^c^A] | [=c=A]6 :| [dB]6 | [ce]2 [eg]2 [ce]2 | 
 [Bd]4 [ec][Bd] | [GB,]4 [AC]2 | [GE]6 | [DF]4 [CE]2 | [B,D]6- | [B,D]6 | [GE]6 | [DF]4 [CE]2 | 
 [B,D]2 [B,G]2 [CA]2 | [BD]6 | [B^C]6 | [AD]6 | [GB,]6 |]  