Develop a musical composition incorporating the given motif while adhering to the outlined alphabetical form.
X:1
L:1/8
Q:1/4=120
M:4/4
K:G
['B D2 E GG G2 B2', 'c<c cc c2 GA B<B BB B2']  
X:1
L:1/8
Q:1/4=120
M:4/4
K:G
 GA | B D2 E GG G2 | B2 B>^A B/=A/ G3 | A2 A>G A/G/ E3 | G2 G>E G/E/DGA | B D2 E GG G2 | 
 B2 A>^A B/=A/G GG | B<A- Ac B2 A2 | G6 || GG | c<c cc c2 GA | B<B BB B2 GG | B<A- A2 G2 A2 | 
 B6 AB | c<c cc c2 GA | B<B BB B2 GG | B<A-(Ac) B2 A2 | G6 |]  