Create a composition by utilizing the given alphabet-based musical pattern and the provided melodic theme.
X:1
L:1/8
M:2/2
K:Bphr
['fBdf fBdf', 'd2 (fd) (ad)(fd)']  
X:1
L:1/8
M:2/2
K:Bphr
 ua"^Segno" | fBdf fBdf | eA (3(cBA) eA (3(cBA) | fBdf fBdf | ecAc (dB) B2 | fBdf fBdf | 
 eA(3(cBA) eA(3(cBA) | dcdB cBAd | ecAc dB B2 :: d2 (fd) (ad)(fd) | c2 (ec) Acec | 
 d2 (fd) (ad)(fd) | ecAc (dB) B2 | d2 (fd) (ad)(fd) | c2 (ec) Acec | defg abaf | 
 ecAc dB B2"^Segno""_D.S." :|  