Construct a melodic piece using the prescribed alphabetical outline and provided motif.
X:1
L:1/8
M:4/4
K:Bb
['GA B2 AG FF FG']  
X:1
L:1/8
M:4/4
K:Bb
 z4 z2 z F | F2 FG F2 DB, | EF GA B2 AG | FF FG F2 ED | CC CD C2- CF | F2 FG F D2 B, | 
 E3/2 F/ GA B2 AG | FF FG F D2 B, | CE DC B,4- | B, z F2 F3/2 F/ DF | B3/2 B/ BA G4- | G4 A2 AA | 
 AA GF F2- FA | A6 BB | B2 BB(BF) DB, | E3/2 F/ GA B2 AG | FF FG FD B,D | CE DC B,2- B, z |]  