Design a piece of music by fusing the provided alphabetic indicator and the predetermined tune.
X:1
L:1/8
Q:1/2=90
M:2/2
K:Bb
['B2 B2 Bdce d2 d2 dfeg fbag', 'DBFB DBFB EBGB EBGB ecAc ecAc']  
X:1
L:1/8
Q:1/2=90
M:2/2
K:Bb
 F2 | B2 B2 Bdce | d2 d2 dfeg | fbag fedc | dBfd ecAF | B2 B2 Bdce | d2 d2 dfeg | fbag fedc | 
 B2 d2 B2 :: FE | DBFB DBFB | EBGB EBGB | ecAc ecAc | dBAB dBAB | DBFB DBFB | EBGB EBGB | 
 ecAc ecAc | B2 d2 B2 :|  