Construct a musical piece that contains the provided motif and abides by the prescribed alphabetical scheme.
X:1
L:1/8
M:6/8
K:G
['f2 e dcB', 'G2 A B>cd ded dBG dBG A>BA', 'A2 G']  
X:1
L:1/8
M:6/8
K:G
|: d | e>fg f2 e | dcB A2 G | g>fe f2 g | a3- a2 d | ee/f/g f2 e | dcB ABc | BGB AF/G/A | G3- G2 :: 
 A | B>cd ded | dBG dBG | A>BA c2 d | e3 edc | BB/c/d def | g3 d2 c | BGB AFD | G3- G2 :: e/f/ | 
 g>dB gdB | gdB A2 G | g>fe f2 g | a3- a2 d | gba gfe | f/g/ag fed | e<gB A2 G | G3- G2 :|  