Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/8
Q:1/4=120
M:4/4
K:Bmin
['f2 (Bb)', 'fBdB fBde']  
X:1
L:1/8
Q:1/4=120
M:4/4
K:Bmin
"^Reel." ug | f2 (Bb) fBde | f2 (Bb) eAce | f2 (Bb) fBde | f^gaf eAc :: e | fBdB fBde | fBdB eAce | 
 fBdB fBde | f^gaf eAc :|  