Assemble a musical composition that combines the featured motif and conforms to the defined alphabetical form.
X:1
L:1/8
M:6/8
K:G
['B2 B', 'A2 A']  
X:1
L:1/8
M:6/8
K:G
 (G/A/) | B2 B BAB | d2 c c2 A | B2 B Bcd | A2 A A2 z | f3 f3 | g3 gfe | ded cBA | Bcd efg | 
 ded cBA | G3 G2 :: (F/G/) | A2 A Adc | B2 e d2 B | A2 A edc | B2 c def |{a} g2 g gfg | b2 a a2 g | 
 fga gec | ded cBA | G3 :|  