Create a musical composition adhering to the provided thematic and alphabetical guidelines.
X:1
L:1/4
Q:3/4=70
M:6/4
K:Bb
['B G G F2 A B/c/ d', 'c d']  
X:1
L:1/4
Q:3/4=70
M:6/4
K:Bb
 B G G F2 A | B/c/ d d f2 F | B G G F2 A | B/c/ d d c2 B :: B c d c2 B | c/B/ c d B3 | 
 (B/A/)(B/c/)(d/e/) c2 B | c/B/ c d g3 :|  