Arrange a song combining the mentioned alphabetical representation of a musical pattern and the given melodic theme.
X:1
L:1/8
M:2/2
K:Bb
['f=efg f2{a} b2', '(AF)cF (DF)BF (CF)AF (Bd)cA']  
X:1
L:1/8
M:2/2
K:Bb
!ff! (ude) |{g} f=efg f2{a} b2 | f=efg f2{a} b2 | fdbf cfaf | dfba gfde |{g} f=efg f2{a} b2 | 
 f=efg f2{a} b2 | fdbf cfaf | bfdf B2 :: (uFE) |!pp! DF (3(F=EF) (BF)dF | cF (3(F=EF) (AF)cF | 
 (DF)BF (CF)AF | (Bd)cA (BG)FE | DF (3(F=EF) (BF)dF | CF (3(F=EF) (AF)cF | (DF)BF (CF)AF | 
 (Bd)cA B2 :|  