Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
M:6/8
K:G
['G Bd ec', 'Bc d3- d2 G |{G} FE Dc']  
X:1
L:1/8
M:6/8
K:G
 G | Bd ec AF | G2 z2 G | Bd ec Ac |{B} B3 z G | Bd ec AF | G3 z G | Bd ec Ac |{B} B3- B2 || c | 
 dB{A} GG Bc | d3- d2 G |{G} FE Dc Ac |{B} B3- B2 G | Bc dg fe | (d3 d2) G | Bd ec AF | 
 (G3 G2) z2 ||  