Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/8
M:6/8
K:Emin
['BGE F2 E', 'dcB ABG FDF']  
X:1
L:1/8
M:6/8
K:Emin
 c |:"Em" BGE F2 E |"Em" BGE"D" FGA |"^(C)""Em" BGE F2 E |"^(Bm7)""D" AFD FGA |"Em" BGE F2 E | 
"Em" BGE"D" FGA |"G" dcB ABG |"D" FDF AGF ::"Em" EGB efg |"Bm" fed"Em" edB |"Em" EGB"G" dBG | 
"D" FDF AGF |"Em" EGB efg |"Bm" fed"Em" edB |"G" dcB ABG |"D" FDF AGF ::"Em" g2 e efe | geg bge | 
"Em" g2 e efg |"D" fdf agf |"Em" g2 e efe | geg bge |"G" dcB ABG |"D" FDF AGF :|  