Construct a musical piece that contains the provided motif and abides by the prescribed alphabetical scheme.
X:1
L:1/8
Q:1/2=120
M:2/2
K:G
['BA GEDE GABd g2 bg aged Bd', 'aged Bd d2']  
X:1
L:1/8
Q:1/2=120
M:2/2
K:G
 BA |]:"Em" GEDE GABd |"G" g2 bg aged |"^(C)" Bd d2 ed d2 |"C" egdB"^(D)" AcBA |"Em" GEDE GABd | 
"G" g2 bg aged |"^(C)" Bd d2 gedB |"D" AGAB |1"^(G)" G2 BA :|2"^(G)" GABd |:"G" g2 ge"D" a2 af | 
"G" g2 bg"C" aged |"G" Bd d2 ed d2 |"C" egdB"D" AcBA |"Em" GEDE GABd |"G" g2 bg aged | 
"^(C)" Bd d2 gedB |"D" AGAB |1"^(G)" GABd :|2"G" G2 BA |]  