Generate a musical piece using the presented motif and follow the alphabetical structure provided.
X:1
L:1/8
Q:1/4=100
M:2/2
K:Bb
['Bdfe Td3 e cdBc{B} A3 G FGEF', 'B4 Bdfa b3 a gafg{f} T=e3 d']  
X:1
L:1/8
Q:1/4=100
M:2/2
K:Bb
 Bdfe Td3 e | cdBc{B} A3 G | FGEF DF B2 | Aced{d} Tc4 | Bdfe Td3 e | cdBc{B} A3 G | FGEF DFBD | 
 C2 A2 B4 :: Bdfa b3 a | gafg{f} T=e3 d | cdBc Acfb | agf=e f_edc | Bdfe Td3 e | cdBc{B} TA3 G | 
 FGEF DFBe | d2 c2 B4 :|  