Develop a musical composition based on the outlined framework and thematic material.
X:1
L:1/8
M:6/8
K:Bb
['BAGF>DD G2 F F2 B F2 DGFE']  
X:1
L:1/8
M:6/8
K:Bb
 F | BAGF>DD | G2 F F2 B | F2 DGFE | E3 DzF | BAGF>DD | G2 F F2 B | F2 DGFE | E3 DzB | ceecAF | 
 B2 d d3 | c>ccedc | B4 z B | ceecAF | B2 d d3 | c>ccedc | B4 z |]  