Craft a musical performance that integrates the mentioned motif and follows the predetermined alphabetical arrangement.
X:1
L:1/4
M:2/2
K:G
['B G', 'f a']  
X:1
L:1/4
M:2/2
K:G
 B G B/c/ d | e c A c | B G g G | B2 d2 |] f a (b/a/) (g/f/) | e g g (f/e/) | f a (b/a/)(g/f/) | 
 e2 d2 | e c c/d/e/c/ | d B B/c/d/B/ | g G G A | B2 d2 |]  