Construct a piece of music built on the supplied alphabet sequence and motif.
X:1
L:1/8
M:4/4
K:C
['[M:4/4][K:G] _f[Q:1/8=300]DGGF DGGE =F2 cF dFcF DGGG', 'g2 bg dgbg']  
X:1
L:1/8
M:4/4
K:C
[M:4/4][K:G] _f[Q:1/8=300]DGGF DGGE | =F2 cF dFcF | DGGG DGGg | fdcA BdAF | DGGF DGG=F | 
 E=FcF dFcF | DGGF DGGg | fdcA BGBd || g2 bg dgbg | faag bgaf | g2 bg dgbg | agfa gfga | 
 bgag f<deg | fdcA BGBd | g2 gf (3gab ag | fdcA BGAF ||  