Construct a piece of music by converting the stated musical sequence into an alphabetical format and integrating the supplied motif.
X:1
L:1/8
Q:3/8=90
M:4/4
K:Bb
['', 'DFA dcB']  
X:1
L:1/8
Q:3/8=90
M:4/4
K:Bb
 G/F/E/"^*" |: DFA dcB | ABc GFE | DFA dcB | cFA B3 |:  