Construct a musical piece that contains the provided motif and abides by the prescribed alphabetical scheme.
X:1
L:1/8
M:4/4
K:G
['g3 f']  
X:1
L:1/8
M:4/4
K:G
|:"G" G2 BG EGDG |"Am" AAcA FAEF |"G" G2 BG EFGB |"C" cdef gedB |"G" G2 BG EGDG |"Am" AAcA FAEF | 
"G" G3 A Bcde |1"D" gedB cAFD :|2"D" gedB cdef |:"G" g3 f gede |"Am" a2 ab aged |"G" g3 f gede | 
"Am" bage aged |"G" g3 f gede |"Am" a3 b aged |"G" g3 f g3/2 z/ ba |1"D" gedB cdef :|2 
"D" gedB cAFD ||  