Develop a musical piece that combines the given theme and letter-structured outline.
X:1
L:1/8
M:6/8
K:Bb
['z2 F', 'F G (B2']  
X:1
L:1/8
M:6/8
K:Bb
 F | F=EF G>AB | B3 BFF | DFB B>AB | c3 z2 F | F>=EF GAB | B F2 z2 F | FdB A>GA | B3 z2 B | 
 B>cB AG^F | A G2 z2 G || GFF FGE | D3 z2 D/E/ | F>=EF GAB | B F2 z2 F | FdB A>GA | B3 z2 F | 
 G (B2 B2) F | G (B2 B)zB/c/ | dcB F!fermata!AA | B3 B2 z ||  