Create a musical composition using the provided alphabet sequence and motif.
X:1
L:1/8
M:3/8
K:G
['B>AB c>Bc']  
X:1
L:1/8
M:3/8
K:G
 B>AB | c>Bc | d>ed | B>AB | c>Bc | d2 z | B>cB | A>BA | GG/B/D | B>dB | A>BA | G2 z |]  