Compose a musical work that seamlessly incorporates the assigned motif and abides by the given alphabetical pattern.
X:1
L:1/8
Q:1/2=80
M:2/4
K:G
['B G2 B c A2 f']  
X:1
L:1/8
Q:1/2=80
M:2/4
K:G
 B G2 B | c A2 f | gedc | Bc/A/ BG | B G2 B | c A2 f | gedB | G2"^*" z2 |:  