Compose a piece using the alphabetic notation of the assigned musical structure and the provided melodic motif.
X:1
L:1/8
Q:3/4=100
M:6/4
K:none
['e4 c2 e4 A2', 'f4 e2 f4 B2', 'c2 e2', 'A2 c2']  
X:1
L:1/8
Q:3/4=100
M:6/4
K:none
 e4 c2 e4 A2 | e4 c2 e4 A2 | f4 d2 e3 d c2 | d2 e2 c2 B4 A2 :: f4 e2 f4 B2 | f4 e2 f4 B2 | 
 e2 f2 c2 f2 d2 B2 | g2 a2 c2 B4 A2 | c2 c4 d2 d4 | e2 e2 a2 e3 d c2 | d2 e2 c2 B3 ABc | 
 A2 A2 A2 A6 :: c2 e2 (f>e) g2 B4 | c2 e2 (f>e) c2 A4 | (c<A) (c<A) (c<A) (d<B) (d<B) (d<B) | 
 c2 e2 fe c2 A4 :: c2 e2 (fg) B2 d2 (fg) | A2 c2 (ea) A2 c2 (ea) | A2 c2 (fg) B2 d2 (fg) | 
 ABcdef edcBcA | (c<A) (c<A) (c<A) (d<B) (d<B) (d<B) | c2 e2 fe c2 A4 :|  