Construct a piece of music built on the supplied alphabet sequence and motif.
X:1
L:1/8
Q:1/8=232
M:4/4
K:Bb
['B2 BA', 'cf =ef df ef']  
X:1
L:1/8
Q:1/8=232
M:4/4
K:Bb
|: F2 | B2 BA BF DF | B2 BA Bc de | gf dB bf dB | AB cB AF GA | B2 BA BF DF | B2 BA Bc de | 
 gf dB bf dB | AF GA B2 :: AB | cf =ef df ef | cf =ef df ef | =ef gf ec de | fa g=e fe fd | 
 cf =ef df ef | cf =ef df ef | =ef gf ec de | f2 a2 f2 :|  