Create a musical composition using the given motif and adhering to the specified alphabetical musical form.
X:1
L:1/8
Q:1/4=120
M:4/4
K:C
['B2 c2']  
X:1
L:1/8
Q:1/4=120
M:4/4
K:C
 c2 | G2 c2 B2 c2 | e4 d3 e | c3 B A2 B2 | G4 z4 | G2 c2 B2 c2 | e4 d3 e | c3 B A2 B2 | G6 =B2 | 
 A3 G F2 A2 | B3 A G2 B2 | c2 A2 (def) d |{c} B4 (GAB) G | c4 (ABc) A | d4 c2 e2 | f2 d2 (efg) e | 
 c6 |]  