Construct a musical piece that contains the provided motif and abides by the prescribed alphabetical scheme.
X:1
L:1/8
M:2/4
K:F
['f2 cA f2 cB AA GG F4', 'gbag fgfa c3 c d2 cB BA']  
X:1
L:1/8
M:2/4
K:F
 f2 cA | f2 cB | AA GG | F4 | f2 de/f/ | g2 c2 | dfed |1 c4 :|2 c3- c |: cdef | gbag | fgfa | 
 c3 c | d2 cB | BA c2 | dfeg | f4 :|  