Develop a musical composition using both the specified melodic theme and the alphabetical pattern naming.
X:1
L:1/8
M:2/4
K:Bb
['F BB Bd cB AB cc d/f/e/d/', 'F3 F AB cF AB ce dB']  
X:1
L:1/8
M:2/4
K:Bb
 F | BB Bd | cB AB | cc d/f/e/d/ | c3 c | df ec | dc B>G | Ac BG/F/ | F3 || F | AB cF | AB ce | 
 dB de | f3 e | dg fe |{d} dg{f} !fermata!fe | d B/>c/ d c/>B/ | B2 z ||  