Compose a musical piece using the specified sequence's alphabetical representation and the provided motif.
X:1
L:1/4
M:4/4
K:Eb
['E G']  
X:1
L:1/4
M:4/4
K:Eb
 B, | E G B B | B2 A/G/F/E/ | F F F B, | A2 G E | G B e e | e2 d/c/B/A/ | B B/>c/ d c | c2 B F | 
 B c _d d | _d2 c B | A G F E | G2 F B, | E G B B | e3/2 e/ e E | F G A G | C2 D2 | E2 z E | 
 G E B G | e3 e | e3 E | F G A G | c2 D2 | E2 z |]  