Compose a musical piece using the specified sequence's alphabetical representation and the provided motif.
X:1
L:1/8
Q:1/4=120
M:6/8
K:G
['B/c/ dBd def gag g2 d', 'G2) c Bdg gfe fdB B2 g/a/']  
X:1
L:1/8
Q:1/4=120
M:6/8
K:G
"^Spirited: time well marked" B/c/ | dBd def | gag g2 d | efg dBG | (A3 A2) B/c/ | dBd def | 
 gag g2 d | ecA BGE | (G3 G2) || c | Bdg gfe | fdB B2 g/a/ | bag agf | (e3 e2) g/a/ | bgb aef | 
 gag e2 g | ecA BGE | (G3 G2) ||  