Create a musical composition incorporating the given motif following the designated alphabetical pattern.
X:1
L:1/8
Q:1/2=90
M:4/4
K:G
['d4 B3 c d4 G4 (AB)(cd) c2', 'B2 A4 G2 AB c2 B2 A2']  
X:1
L:1/8
Q:1/2=90
M:4/4
K:G
"^A" d4 B3 c | d4 G4 | (AB)(cd) c2 B2 | (B4{AB)} A4 | (Bc)(de) d2 d2 | g4 d4 | (cB)(AG) (A4{GA)} | 
 G8 :|"^B" (BA)(Bc) B2 B2 | A4 G2 AB | c2 B2 A2 G2 | G4 F4 | BABc B2 B2 | e4 (T^c4{Bc)} | 
 d2 ed T^c3 B/c/ | d8 |]  