Compose a musical piece based on the given motif and alphabet representation.
X:1
L:1/16
M:2/4
K:G
['dBBd egdB', 'bggb affa']  
X:1
L:1/16
M:2/4
K:G
 uG2 |"^1" G2>"^4"e2 dBB"^4"e | dBB"^4"e"^SEGUE" dBdg |"^1" G2>.e2 dBBd | egdB AGED | 
"^1" G2>e2 dBBe | dBBe dBdg |"^1" G2>e2 dBBd | egdB A2 :: vga | bggb affa | geeg dBBg | bggb affa | 
 gedB .A2vga | bggb affa | geeg dBBg | bgaf gefd | (3(efg).d.B A2 :|  