Develop a musical composition by utilizing the given alphabetic notation and supplied motif.
X:1
L:1/8
Q:1/4=70
M:3/4
K:G
['G2 dB', 'E4 EF G>F GA BG (A>G) (AB)']  
X:1
L:1/8
Q:1/4=70
M:3/4
K:G
"_vb" (E>F) | G2 dB GB | A>F D2 EF | G2 dB A>F | ^DF E2 EF | G2 d>B GB | AF D2 EF | G2 dB AF | 
 E4 || EF | G>F GA BG | (A>G) (AB) (cA) | B2 g2 (f>e) | e4 (3B^c^d | e2 Be dB | A>F D2 E>F | 
 G2 dB AF | E4 |]  